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TapBuff

Filters Fast PH21300

Checked against its certification listings: what they cover, what the maker claims, and what it costs over five years.
Refrigerator filterThird-party copy

Listings checked Oct. 9, 2026

Certified to

Certified for: Chlorine

Part numbers
PH21300
Replaces, its maker says
DA2900003G

List price, one filter

$31

as of Oct. 9, 2026

Five years of filters

$310

10 filters, one every 6 months

List price from the maker’s site, checked Oct. 9, 2026. Prices change; the maker’s page is the final word.

What the listings say

StandardCertifierClaimsListing
NSF/ANSI 42NSFChlorine Reduction; Taste and Odor ReductionRead the listing checked Oct. 9, 2026

Certified for, and claimed

Certified, by a listing

Claimed by the maker only

None recorded.

What it costs over five years

Replaced on the maker’s interval, the schedule the fridge’s own filter light keeps, at list price. Every filter is counted: the one that came with the fridge is long gone. It is rated for 300 gallons, so a household drawing more than about 1.6 gallons a day through the fridge runs it out sooner.

ItemReplacedCountAmount
Filters Fast PH21300Every 6 monthsmonth rating10$310

Five-year total$310

Which refrigerators it fits

Filters Fast says it replaces DA2900003G (Filters Fast’s page, checked Oct. 9, 2026). None of those is an original filter TapBuff has a page for, so no refrigerators are listed here: match the number on the filter in your fridge. That is the copy maker’s claim, not the fridge maker’s: check the shape of the filter in your fridge before you buy.

Worth knowing

Filters Fast is a filter retailer, and this is its own brand. It charges less each for three or more.