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Aqua Crest

Aqua Crest AQF-FF20 Water Filter

  • External Testing Certification: NSF, ANSI
  • Product Benefits: Easy to install
  • Material Type: Lead-Free Material, Food-Grade Material, Advanced Activated Coconut Carbon Block
  • Number Of Packs: 3

Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A straightforward NSF/ANSI 42 replacement cartridge in a 3-pack, worth it once you have confirmed it matches your existing housing size.

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ASIN: B01G4XRT0KModel: AQF-FF20Category: Household Water Filters

Overview

The Aqua Crest AQF-FF20 is a replacement water filter cartridge sold as a 3-pack, certified to NSF/ANSI 42 for chlorine taste and odor reduction. At 5.43 x 1.85 x 7.87 inches, it is sized for compact filter housings rather than full-size refrigerator systems.

Aqua Crest positions this filter as an aftermarket alternative to name-brand cartridges. The listing does not name a specific compatible refrigerator or faucet system, so buyers should confirm the size and thread pattern of their own housing before ordering. NSF/ANSI 42 covers taste and odor only, not lead or bacteria removal.

  • NSF/ANSI 42 certified
  • 3-pack of cartridges
  • 5.43 x 1.85 x 7.87 in
  • 1.1 lb total weight

Who it's for

Suits households that already own a filter housing sized for this cartridge and want a 3-pack on hand instead of buying one at a time. Not for anyone shopping for a complete filtration system, since this is a replacement part only.

Pros and cons

Pros
  • NSF/ANSI 42 certified for taste and odor
  • 3-pack covers multiple replacement cycles
  • Compact size fits smaller housings
Cons
  • No named compatible refrigerator or faucet model listed
  • NSF 42 does not cover lead or bacteria

Performance notes

NSF/ANSI 42 certification addresses chlorine taste and odor reduction, the most common complaint with unfiltered tap water. The 3-pack format spreads the cost of replacement across roughly three change cycles rather than buying single cartridges repeatedly.

Specifications

BrandAqua Crest
ModelAQF-FF20
Dimensions & fit
Item Weight1 poundlower than 53% of 35 household water filters
Item Dimensions D X W X H5.4 × 1.9 × 7.9 inches
Construction & materials
Material TypeLead-Free Material, Food-Grade Material, Advanced Activated Coconut Carbon Block
Compatibility & installation
Compatible Refrigerator ModelsLG LMXC23746D, LG LMXC23746S, LG LMXS30746S, LG LMXS30756S, LG LMXS30776D, LG LMXS30776S, LG LMXS30786S, LG LNXC23726S, LG LNXC23766D, LG LNXS30866D, LG LPXS30866D, LG LSC22991ST, LG LSXC22326S, LG LSXC22336S, LG LSXC22386D, LG LSXC22386S, LG LSXS22423B, LG LSXS22423S, LG LSXS22423W, LG LSXS26326B,
Included components
Number Of Packs3
Unit Count3
Included ComponentsMonth Install Stickers, Refrigerator Water Filter Replacement*3, User's Manual*1
Warranty & support
Manufacturer Warranty DescriptionProduct Life Time Warranty—AQUA CREST Provides 6-Month Return Policy on Every Filter Confirmed with Defects in Material, Workmanship, and Any Filter Caused Malfunction
Other details
External Testing CertificationNSF, ANSI
Product BenefitsEasy to install
Number Of Items3
Set Name3
Item HighlightReplacement For LG LT800P, ADQ73613402, ADQ75795104, Kenmore 9490, 46-9490, LSXS26326S Refrigerator Water Filter, 3 Pack
Item Type Namelt800p

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Frequently asked questions

What does NSF/ANSI 42 certification mean for the AQF-FF20?

It means the filter is certified to reduce chlorine taste and odor, not necessarily lead, bacteria or other contaminants.

How many filters come in one Aqua Crest AQF-FF20 pack?

Three cartridges ship in a single pack.

What size housing does the AQF-FF20 fit?

The cartridge measures 5.43 x 1.85 x 7.87 inches; check your housing dimensions since no specific compatible model is listed.