Crystala Filters via Amazon has Crystala Filters UKF8001 Water Filter Compatible with Whirlpool 4396395, Filter 4, Maytag UKF8001, EDR4RXD1, UKF8001AXX, UKF8001P, Puriclean II, PH21500 Refrigerator Water Filter (3 Pack) for $13.50 with code: TB2BD8HX. Shipping is Free w/ Prime or Orders $25+.
Current deal discount is $4.09 but must place order asap.