ExactFilterFit CALIPER & RFID SPEC DB
← Back to Master Cross-Reference Directory • Category: Fridge Water Filter RFID Cross-Reference • Nominal Spec: EDR4RXD1 / UKF8001 (2.35" OD x 8.00" H)
Fridge Water Filter RFID Cross-Reference

EveryDrop Filter 4 (EDR4RXD1 / Maytag UKF8001) Exact Nozzle Specs & $13 NSF-53 Replacements

EveryDrop Filter 4 (EDR4RXD1) and Maytag UKF8001 / UKF8001AXX / 4396395 are one cartridge: ≈2.05" OD x 8.5" L with a push-in/rotate head, used in Maytag, Whirlpool, Amana and Jenn-Air bottom-freezer fridges. No RFID.

⚠ CRITICAL COMPATIBILITY RULE: UKF8001 = EDR4RXD1 = 4396395 = Puriclean II. Any of those part numbers fit. Waterdrop WDP-F07, SimPure RedyPure RP-F04 and Swift Green SGF-M9 are verified cross-references.
Verified Reddit Fit Complaint: r/Frugal — 'Stop paying $59 for Maytag UKF8001 / EveryDrop 4'

Side-by-Side Exact Caliper & RFID Compatibility Matrix

Measured to 1/8" (0.125") Tolerance
OEM Brand & Model Exact Caliper Size (In) MERV / NSF Cert Slot Fit / RFID Chip Status OEM Price Verified Multi-Pack Match Direct Spec Links
Whirlpool EveryDrop Filter 4 EDR4RXD1 / Maytag UKF8001 (OEM)
Group: Maytag/Whirlpool bottom-freezer (base grille)
 2.05" OD x 8.50" L
2-1/16" x 8-1/2"
 NSF/ANSI 42, 53, 401 No RFID — push & quarter-turn $54.99 (1-Pack) OEM benchmark
$54.99 Save —
Verify Exact Fit → Amazon
Waterdrop WDP-F07 (UKF8001)
Group: UKF8001 family
 2.05" OD x 8.50" L
2-1/16" x 8-1/2"
 NSF/ANSI 42, 53, 401 Matching head $54.99 Waterdrop WDP-F07 (8% partner link)
$30.98 Save 44%
Verify Exact Fit → Amazon
SimPure RedyPure RP-F04 (UKF8001/UKF9001)
Group: UKF8001 family
 2.05" OD x 8.50" L
2-1/16" x 8-1/2"
 NSF/ANSI 42 Matching head $54.99 SimPure RedyPure RP-F04 (12% link, 60-day cookie)
$22.99 Save 58%
Verify Exact Fit → Amazon
Swift Green SGF-M9 Rx
Group: UKF8001 family
 2.05" OD x 8.50" L
2-1/16" x 8-1/2"
 Pharmaceutical + VOC (Rx) Matching head $54.99 Swift Green SGF-M9 Rx (Made in USA)
see link Save ~40%
Verify Exact Fit → Amazon
Frizzlife MS99 0.5-Micron Inline Fridge Filter (Bypass Kit)
Group: UKF8001 fridges (bypass plug)
 2.56" OD x 10.0" L, 1/4" quick-connect
2-9/16" x 10"
 NSF/ANSI 42 & 53 (lead, cysts) No cartridge keyway or chip — runs with factory bypass plug installed n/a Frizzlife MS99 Inline — use code GLOSSYKOALA for 10% off
$75.99 (≈$68.39 w/ GLOSSYKOALA) Save Lowest cost/gal
Verify Exact Fit → Amazon

Frequently Asked Fit & Bypass Questions

Q: Is UKF8001 the same as EveryDrop Filter 4?
Yes — EDR4RXD1 is the EveryDrop retail SKU of UKF8001/4396395.
Q: Does UKF8001 have a chip?
No — no RFID; any certified cross-reference works.

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