Few maintenance tasks are as easy to forget as changing the water filter in your LG refrigerator. Yet the filter does the work that keeps your ice and drinking water tasting clean, and an old cartridge can let chlorine taste, sediment, and other contaminants through. The right replacement depends on your fridge model, the certifications you want, and how many filters you need to keep on hand. This guide compares five popular LG-compatible replacement filters so you can match one to your kitchen and your budget.
Quick Comparison of the Top 5 LG Refrigerator Replacement Water Filters
| Product | Filter Model Listed | Pack Size | Certifications or Standards Noted | Replacement Interval | Current Availability |
|---|---|---|---|---|---|
| LG LT1000P2 6-Month / 200 Gallon Refrigerator Replacement Water Filter | LT1000P2 | 2 filters | NSF-certified (contaminant reduction) | 6 months or 200 gallons | Available |
| LG LT700P 6 Month / 200 Gallon Capacity Replacement Refrigerator Water Filter | LT700P (Part ADQ36006101) | Single filter listing | NSF/ANSI 42 and 53 | 6 months or 200 gallons | Currently unavailable |
| LG LT800P2 6-Month / 200 Gallon Refrigerator Replacement Water Filter | LT800P2 | 2 filters | NSF-certified (contaminant reduction) | 6 months or 200 gallons | Available |
| Amazon Basics Replacement LG LT1000P Refrigerator Water Filter, NSF-Certified, 3-Pack | Compatible with LT1000P and related LG models | 3 filters | NSF/ANSI 401, 53, 42, and 372 | 6 months or 200 gallons | Available |
| 3 Pack 5231JA2002A Water Filter Replacement for LG LT500P | 5231JA2002A (LT500P compatible) | 3 filters | CSA Group certified to NSF/ANSI 42 and 53 | 6 months or 300 gallons | Available |
Our Picks: Best Replacement Water Filter For Lg Refrigerator reviews
LG LT1000P2 Refrigerator Replacement Water Filter for Everyday Drinking Water
The LT1000P2 is a replacement cartridge for LG refrigerators designed to improve the taste of your filtered water and ice. This listing comes as a two-count package, which is useful if you want to keep a spare on hand so you never have to go without a fresh filter when the six-month mark arrives. The product is marketed as NSF-certified, and the listing states that it reduces a broad range of contaminants, including chlorine, lead, mercury, and benzene, along with cysts and asbestos. It also notes reduction of some herbicides, pesticides, pharmaceuticals, and insect repellents.
From a practical standpoint, this is the kind of filter most LG owners will find familiar. It follows the standard six-month or 200-gallon replacement guideline, so you can plan a simple maintenance calendar around it. The build is a standard refrigerator cartridge, and the value comes from the consistent, predictable performance the brand offers when you use the correct model for your fridge. Many owners appreciate that a two-pack takes the guesswork out of ordering, since one filter can go in right away while the other waits in a drawer.
Compared with the other options here, this filter is a straightforward, brand-matched choice rather than a bulk deal. It does not offer the three-pack savings found in the Amazon Basics or Caehomly listings, but it gives you a clean fit for LT1000P-series fridges without any compatibility research. Its contaminant claims are broad, though you should look at the certification details on the packaging rather than relying only on the summary.
Pros:
- Two-count package makes it easy to keep a spare filter on hand
- Brand-matched design takes the guesswork out of compatibility for LG owners
- Marketed as NSF-certified with a wide list of targeted contaminants
- Simple six-month or 200-gallon replacement schedule is easy to track
Cons:
- Costs more per filter than multi-pack alternatives
Verdict: The LT1000P2 is a dependable pick if you want an official-style LG replacement with a spare included. It suits owners who value simplicity and a known fit over the lowest possible cost.
LG LT700P Replacement Filter for NSF 42 and 53 Certified Performance
The LT700P is an LG replacement filter identified by part number ADQ36006101, and it is built around the NSF/ANSI 42 and 53 standards. Those standards address taste and odor reduction and health-related contaminant reduction, so this filter is positioned as a solid option for households that care about both flavor and safety. The listing highlights chlorine taste and odor reduction and the removal of lead, mercury, asbestos, and benzene, which covers many of the concerns people have about municipal tap water.
In day-to-day use, the appeal of this type of filter is its focus. It is designed to be swapped on a fixed schedule of every six months or 200 gallons, which keeps the performance predictable. The listing also includes a part number and compatibility details, so you should confirm that your refrigerator matches before you order. Some users report that matching the part number on the old cartridge is the fastest way to be sure of the right fit.
The biggest drawback is availability. At the time of this writing, this listing is currently unavailable, which means it may not be an option when you need a filter. If you find it in stock and your model matches, it is a sound choice. If not, the LG-branded LT1000P2 or LT800P2 listings offer a similar six-month schedule with more flexible sourcing.
Pros:
- Certified to NSF/ANSI 42 and 53 for taste, odor, and health-related reduction
- Clear part number (ADQ36006101) makes it easy to confirm a match
- Six-month or 200-gallon replacement guideline is simple to follow
Cons:
- Currently unavailable, so it may be hard to buy when you need it
Verdict: The LT700P is a strong certified option for owners who already know their part number and can find it in stock. If it is available and fits your fridge, it is a dependable choice; if not, the other LG-branded listings are easier to plan around.
LG LT800P2 Two-Pack Filter for Steady, Clean-Tasting Water
The LT800P2 is another LG replacement cartridge sold as a two-count package. The listing describes it as a way to provide cleaner, fresher, and better-tasting water and ice for your household. It is marketed as NSF-certified and aimed at reducing pesticides, chemicals, and detergents, along with the same family of contaminants covered by the LT1000P2. The white color and standard cartridge shape are meant to match the typical LG refrigerator filter housing.
What makes this listing practical is the two-pack format. Replacing a filter every six months is easy to forget, and having the second cartridge ready means you can switch without an unplanned trip to the store. The six-month or 200-gallon schedule is also straightforward, so the maintenance plan stays simple. For a busy kitchen that goes through a lot of ice and water, the 200-gallon limit may arrive before the six-month mark, so tracking usage can be just as important as tracking the calendar.
Compared with the LT1000P2, the descriptions are nearly identical, so your decision should come down to the model number that matches your refrigerator. Be sure to check the LT800P2 designation against your fridge’s manual or the filter housing before ordering. Buyers often note that the two-pack gives good peace of mind, though the cost per filter remains higher than a three-pack from a third-party brand.
Pros:
- Two-count package keeps a backup filter ready for the next change
- Marketed as NSF-certified with broad contaminant reduction claims
- Simple six-month or 200-gallon schedule is easy to track
- Available now and easy to fit into a regular maintenance routine
Cons:
- Higher cost per filter compared with three-pack alternatives
Verdict: The LT800P2 is a practical, brand-backed choice for owners who want a spare and a predictable replacement schedule. Confirm the model number with your fridge before buying, and it is a safe pick for everyday use.
Amazon Basics LG LT1000P Replacement Filter for Value-Focused Households
This Amazon Basics listing is a three-pack of replacement filters designed to fit LG LT1000P and several related models, as well as some Kenmore refrigerators. The product is independently certified by NSF International to NSF/ANSI 401, 53, 42, and 372, which the listing describes as covering contaminant reduction and lead-free materials. The filter uses a coconut shell carbon block, and the listing notes that it targets chlorine, taste, odor, select heavy metals, volatile organic compounds, trace pharmaceuticals, and industrial chemicals.
The main strength here is value. A three-pack gives you about a year’s worth of filters on the six-month schedule, which removes the need to reorder frequently. The compatibility list is long, which helps if you have a model number that matches one of the listed designations. Installation is described as quick and tool-free, a real advantage for anyone who dislikes crawling behind the fridge or dealing with fiddly parts.
Where this product can be more demanding is in verifying fit. The longer compatibility list means you should confirm your exact model before you order, especially since some listed numbers look similar. Some owners appreciate that a three-pack lowers the cost per filter, but the trade-off is that you commit to a larger purchase upfront. If you prefer an LG-branded cartridge, the LT1000P2 may feel more familiar, though this Amazon Basics option is a strong alternative for those who value certifications and savings.
Pros:
- Three-pack covers roughly a year of replacements on the standard schedule
- Independently certified to several NSF/ANSI standards, including lead-free materials
- Coconut shell carbon block targets a wide range of common water concerns
- Tool-free installation is quick and convenient
Cons:
- Long compatibility list means you should double-check your model number before buying
Verdict: This is one of the best values in the group for owners whose fridge matches the listed models. The certifications and three-pack format make it a smart long-term choice, provided you confirm compatibility first.
Caehomly 5231JA2002A Three-Pack for LT500P Compatible Refrigerators
This Caehomly listing is a three-pack of 5231JA2002A replacement filters, positioned as an alternative for LG LT500P-series refrigerators. The listing includes a long set of cross-referenced filter and model numbers, which can help you match an older or unfamiliar part. The filter is made from coconut activated carbon and is certified by CSA Group to NSF/ANSI 42 and 53. The stated reductions include chlorine, taste and odor, particulate Class I, lead, mercury, VOCs, and total PFAS.
What stands out is the replacement interval. The listing recommends changing the filter every six months or after about 300 gallons, which is more generous than the 200-gallon guideline used by the LG-branded options. For households with moderate water use, that can stretch the value of each cartridge. The three-pack format also means you can plan a full year of maintenance with a single order. The listing notes that no tools or water shut-off are required for installation, which is convenient for a routine swap.
The main caution is compatibility. Because the listing is built around the LT500P and a broad cross-reference of numbers, you should confirm that your refrigerator’s model and filter number appear on the list before ordering. The brand is also not LG, so if you value an original-equipment name on the box, this may not feel as familiar. That said, the certifications are clearly stated, and the value is strong for owners who have verified their fit.
Pros:
- Three-pack format supports a full year of replacements
- CSA Group certification to NSF/ANSI 42 and 53, including PFAS reduction claims
- Six-month or 300-gallon replacement guideline offers longer use for moderate households
- No tools or water shut-off needed for installation
Cons:
- Not an LG-branded filter, and fit depends on carefully matching the listed model numbers
Verdict: This three-pack is a strong value and a certification-rich option for owners who can confirm their LT500P-series fit. It is a particularly good match for buyers who want the longest interval and the most filters for the money.
How to Choose the Right Replacement Water Filter for Your LG Refrigerator
Start With Your Exact Refrigerator Model Number
The single most important step is matching the filter to your refrigerator. LG uses several filter designations across its fridge lineup, and some models share a filter while others do not. Look for the model number on the label inside the fridge, usually on the side wall of the fresh food compartment or near the door hinge. Then compare it to the filter’s compatible model list, or check the part number printed on your current cartridge. A filter that looks similar but is not designed for your unit may leak, fail to seal, or simply not fit.
Understand Certifications and What They Actually Mean
Certification labels like NSF/ANSI 42, 53, and 401 are shorthand for specific performance standards. Standard 42 generally covers aesthetic issues such as chlorine taste and odor, while Standard 53 addresses health-related contaminants such as lead. Other standards cover emerging concerns like pharmaceuticals or PFAS. When a listing says a filter is certified, check which standards are named and which contaminants are claimed under each one. A certification confirms the filter was tested for specific claims, so it is worth reading the fine print rather than relying on general terms like “premium” or “advanced.”
Compare Replacement Intervals and Actual Usage
Most of the filters in this group are rated for six months or 200 gallons, whichever comes first, while one is rated for 300 gallons. The time-based limit matters because a filter loses effectiveness as it ages, even if water use is light. The volume limit matters for busy households, where a filter may be used up before six months have passed. Consider how many people drink and cook with filtered water and how often you use the ice maker. Setting a reminder on your phone for the six-month mark is a simple habit that keeps your water consistent.
Decide Between a Single Filter, a Two-Pack, or a Three-Pack
Pack size affects both cost and convenience. A single filter is the easiest way to test a product, but it means you will need to reorder on time. A two-pack gives you a spare, which is helpful if you want to avoid running out. A three-pack usually lowers the cost per filter and covers about a year of changes. If you buy in bulk, store the extra filters in their sealed packaging in a cool, dry place, and check the expiration or date guidance printed on the box before you use them.
Weigh Brand Familiarity Against Value
LG-branded filters offer the comfort of an original-brand match and a simple buying decision when your model is listed. Third-party filters can deliver similar certifications and a lower cost per cartridge, but they require a bit more homework to confirm fit. Neither choice is automatically better. If you value the certainty of a brand-matched part, lean toward the LG listings. If you want the most filters for the money and are comfortable checking compatibility, a multi-pack from a reputable third-party brand can be a smart move.
Think About Installation and Everyday Convenience
Most refrigerator water filters are designed to be swapped without tools, usually by twisting the old cartridge out, inserting the new one, and running a few gallons of water through the system to clear any air or carbon fines. Several listings in this group emphasize quick, tool-free replacement, which is a real benefit if you dislike crawling behind the fridge. Keep a towel handy, since a small amount of water can drip during the change. Running the first few gallons into a pitcher, rather than directly into a glass, helps you avoid early cloudy water.
Frequently Asked Questions About LG Refrigerator Replacement Water Filters
How often should I replace my LG refrigerator water filter?
Most of the filters covered here are rated for replacement every six months or after 200 gallons, whichever comes first. The Caehomly three-pack lists a six-month or 300-gallon guideline. Following the time limit matters even if your fridge does not use much water, because filter media can lose performance over time.
How do I find the right filter for my LG refrigerator?
Check the model number on the label inside your refrigerator, then compare it with the compatible model list on the product page. You can also match the part number printed on your current filter. If your model is not clearly listed, contact the manufacturer or check the owner’s manual before buying.
Do I need to turn off the water supply to change the filter?
Most refrigerator filters are designed for a quick swap without shutting off the water supply or using tools. The Caehomly listing specifically notes that no tools or water shut-off are needed. Still, read the instructions that come with your filter, since some models may recommend a slightly different process.
What does NSF certification mean for a refrigerator filter?
NSF certification means the filter was independently tested to specific standards for claimed contaminant reduction. Different standards cover different concerns, such as taste and odor or health-related substances like lead. Look at the standard numbers named in the listing and the specific contaminants each one covers.
Are third-party filters as good as LG-branded filters?
Third-party filters can perform well when they carry the same certifications and fit your model correctly. The main difference is usually the fit guarantee and familiarity of the brand. If you choose a third-party filter, double-check the compatible model list and the certification details before ordering.
Why does the water taste different after changing the filter?
It is normal for water to taste slightly different right after a new filter is installed, and it may look a little cloudy at first. Running a few gallons through the system usually clears the air and any loose carbon particles. If the taste or cloudiness persists after flushing, check that the filter is seated correctly and that the seal is intact.
Which filter is the best overall choice?
For most LG owners who want a simple, brand-matched option with a spare included, the LT1000P2 is a dependable pick. If you want the most filters for your money and your model is listed, the Amazon Basics three-pack is a strong value. Owners of LT500P-series refrigerators looking for a longer replacement interval may prefer the Caehomly three-pack.
Final Recommendation
The best replacement filter for your LG refrigerator is the one that matches your exact model, carries the certifications you care about, and fits your maintenance habits. For a brand-matched choice with a spare, the LG LT1000P2 is a reliable starting point. The LT800P2 offers a similar experience with a two-pack format. If value matters most and your model is on the compatibility list, the Amazon Basics three-pack stands out for its certifications and savings. The Caehomly three-pack is a strong pick for LT500P-series owners who want the longest replacement interval. Confirm your model number first, set a reminder for your next change, and you will keep your ice and drinking water tasting clean all year.