everydrop by Whirlpool Ice & Water Refrigerator Filter 4 (EDR4RXD1 / UKF8001)
OEM part number(s):
Made by Whirlpool / everydrop (also Maytag UKF8001). Replacement interval: Replace every 6 months or 200 gallons, whichever comes first.
Certified: Yes — NSF/ANSI 42, NSF/ANSI 53, NSF/ANSI 401 by NSF International, verified against the certifier's listings on 2026-11-11. Certifier listing (listed as: W11256135 / W11311161)
Prices checked 2026-11-11: genuine from $59.99 + shipping at Whirlpool.com · aftermarket from $29.95 + shipping at Filters Fast (Filters Fast brand PH21500). Every price in the table below carries its store and checked date.
Amazon is a buy link, not a price claim: Amazon blocks automated price reads, so its price is never quoted here.
Exact fit — all 32 verified models
Harvested from published manufacturer and retailer fit lists (sources at the bottom of this page). If your exact model is not listed, do not assume fit — check the number on your current part.
Amana (1)
Maytag (21)
Whirlpool (10)
PARTIAL fit list in this record (verbatim Maytag/Whirlpool/Amana models from Waterdrop/ICEPURE compatibility documents and FiltersFast/WhirlpoolParts exact-model pages). Full Whirlpool-brand mapping is 554 Whirlpool models per FitFilter's republication of everydropwater.com filter-finder data; the full multi-brand list is far larger (one compatible-filter maker claims 2,460 compatible refrigerators). Twist-in filter, upper-right interior ceiling. UKF8001 is the pre-EveryDrop name for THIS cartridge - it is not a separate product.
Certification
Certified: Yes — NSF/ANSI 42, NSF/ANSI 53, NSF/ANSI 401 by NSF International, verified against the certifier's listings on 2026-11-11. Certifier listing (listed as: W11256135 / W11311161)
Verified in NSF Certified Product Listings (Whirlpool Corporation, Facility #2 USA): NSF/ANSI 42 rows for systems W11256135 and W11311161 listing EDR4RXD1/EDR4RXD1B/EDR4RXD1R/KAD4XD1/WHR4RXD1/Kenmore 9084 (100 and 200 gal, 0.7 gpm, chlorine/particulate Class I/taste & odor). NSF/ANSI 53 and 401 coverage for EDR4RXD1/B/R is documented in the NSF-derived EveryDrop summary (42/53/401, incl. lead, cysts, mercury, atenolol, microplastics) and Whirlpool's current Filter 4 page/footnote states certification by NSF International under 42, 53 and 401. NOTE: FiltersFast spec block lists only '42, 53' - incomplete retailer copy. No PFAS listing for Filter 4.
Aftermarket equivalents
| Brand | Part number | Note |
|---|---|---|
| Filters Fast | PH21500 | House-brand replacement for Maytag UKF8001 / EDR4RXD1, $29.95 (1-2) / $25.95 (3+) on FiltersFast |
| Waterdrop | WD-F07 | Waterdrop UKF8001 / WD-F07 datasheet lists EDR4RXD1, UKF8001, 4396395 as replaced models; NSF 42 and 372 per Waterdrop manual - taste/odor class, not OEM-equivalent NSF 53/401 |
| ICEPURE | RWF0900A / RFC0900A | ICEPURE UKF8001 manual lists EDR4RXD1 / Filter 4 compatibility; NSF/ANSI 42 & 372 per manual |
All verified prices
| Kind | Store | Pack | Price | Shipping | Checked |
|---|---|---|---|---|---|
| Genuine OEM | Whirlpool.com | 1 filter | $59.99 + shipping item $59.99 | Whirlpool.com list price $59.99 (a $57.00 sale price and $48.00 subscription price also appeared in crawls of the same page - list price recorded; shipped total left null because the sale/subscription price at checkout varies) | 2026-11-11 |
| Aftermarket | Filters Fast (Filters Fast brand PH21500) | 1 filter | $29.95 + shipping item $29.95 | Aftermarket house brand; $29.95 (1-2) / $25.95 (3+); shipping terms not stated in retrieved text, so shipped total left null | 2026-11-11 |
| More prices | Filters Fast | 1 filter | $69.95 + shipping item $69.95 | FiltersFast OEM price $69.95 (1-3) / $66.95 (4+) | 2026-11-11 |
| More prices | DiscountFilters.com | 1 filter | $89.95 + shipping item $89.95 | DiscountFilters OEM list $89.95 single (2-pack $179.75, 3-pack $257.99) before DF20 code - highest OEM price seen, recorded for contrast only | 2026-11-11 |
OEM street price clusters at $59.99 (Whirlpool/Home Depot); parts-site OEM prices ($69.95-$89.95) are markups, not the market price.
Specs
| Dimensions | 2.5 in x 2.5 in x 8 in (Whirlpool product dimensions); FiltersFast lists cartridge 8 in x 2-1/4 in; WaterFilters.NET lists 9-3/8 in x 3 in - sources conflict, Whirlpool figure is authoritative for the retail product |
| Rated capacity | 200 gallons (NSF system W11311161 listing; a 100-gallon variant exists under system W11256135) |
| Flow rate | 0.78 gpm (FiltersFast/Whirlpool copy; NSF listing flow is 0.7 gpm) |
| Replacement interval | Replace every 6 months or 200 gallons, whichever comes first |
| Quantity note | 1-pack retail (EDR4RXD1); bulk/bundle codes EDR4RXD2/EDR4RXD3 exist |
| Certification (detail) | Verified in NSF Certified Product Listings (Whirlpool Corporation, Facility #2 USA): NSF/ANSI 42 rows for systems W11256135 and W11311161 listing EDR4RXD1/EDR4RXD1B/EDR4RXD1R/KAD4XD1/WHR4RXD1/Kenmore 9084 (100 and 200 gal, 0.7 gpm, chlorine/particulate Class I/taste & odor). NSF/ANSI 53 and 401 coverage for EDR4RXD1/B/R is documented in the NSF-derived EveryDrop summary (42/53/401, incl. lead, cysts, mercury, atenolol, microplastics) and Whirlpool's current Filter 4 page/footnote states certification by NSF International under 42, 53 and 401. NOTE: FiltersFast spec block lists only '42, 53' - incomplete retailer copy. No PFAS listing for Filter 4. |
Sources
- https://www.whirlpool.com/accessories/kitchen-accessories/refrigerator/p.EDR4RXD1.html?bvstate=pg:4/ct:r
- https://www.filtersfast.com/p-whirlpool-everydrop-edr4rxd1-filter-4.asp?mod=208296&oe=1
- https://www.discountfilters.com/refrigerator-water-filters/whirlpool-edr4rxd1-3-pack/p180705/?ref=filterrank&utm_source=filterrank&utm_medium=price-comparison&utm_campaign=everydrop-filter-4
- https://info.nsf.org/Certified/DWTU/Listings.asp?CompanyName=Whirlpool&
- https://www.fitfilter.net/pages/whirlpool-refrigerator-water-filter-by-model