Aqua-Pure AP903Carbon filter · product record

Certified to

Maker’s list price: Not published
Service flow: 20 gpm
Built for: City or well water
Connections: 1 in. NPT

Listings checked Oct. 4, 2026.

What the listings say

NSF/ANSI 42 · NSF listing
Nominal Particulate Reduction, Class III; Chlorine Reduction; Taste and Odor Reduction
Read the listing, checked Oct. 4, 2026

Certified for, and claimed

Certified, by a listing

Chlorine

Claimed by the maker only

sediment down to 5 microns
chlorine taste and odor

Worth knowing

Made by Solventum, formerly 3M. Certified to NSF/ANSI 42 only, for chlorine, taste and odor and particulates; no health-related claims. NSF lists it at 10 gpm; the maker rates it for peak flows up to 20 gpm and says capacity was tested at 10 gpm. The maker says it suits municipal or well water. The maker's spec sheet gives about one year of cartridge life under most water conditions. Solventum lists no price and sells through distributors.

Install requirements

Kind: Carbon filter
Rated media life: 100,000 gallons (approximately one year of cartridge life under most water quality conditions)
Needs a drain: Not stated
Needs power: Not stated

From here

NSF/ANSI 42, decoded
What a NSF/ANSI 42 listing does and does not promise.
Every whole-house system
Side by side, with five-year costs.