4396508	4396508 (4392857)  This water filter (4392857) cartridge is the same as Sears filter number 9902, 2203220, and 4396163. It is located in the grill (bottom front) of the refrigerator. It removes most chlorine, lead, odor and taste. Whirlpool recommends replacing this filter every 6 months.	Order 1 $34.99 Order 3 $88.50 Order 6 $172.99
4396510	4396510  (4392922) If you need a better version of this Whirlpool filter (and you need it to remove cysts as well), then part number 4392922 may be right for you. It looks the same as the 4392857 pictured above, but it filters out more impurities. Whirlpool recommends replacing it every 6 months as well.	Order 1 $39.99 Order 3 $100.99
8171413	8171413  This water filter (8171413) cartridge is the replacement for part number 8171787 and 2204326. It is located in the back of the refrigerator compartment. It removes most chlorine, lead, odor and taste. Whirlpool recommends replacing this filter every 6 months.	Order 1 $34.99 Order 3 $85.99 Order 10 $270.29
8171414	8171414   If you need a better version of this Whirlpool filter (and you need it to remove cysts as well), then part number 8171414 may be right for you. It looks the same as the 8191417 pictured above, but it filters out more impurities. Whirlpool recommends replacing it every 6 months as well.	Order 1 (8171414) $34.99 Order 3 (8171414) $100.99
4396710 (4396711)	4396710 (4396711) Push button release type water filter.	Order 1 (4396710) $39.99 Order 2 (4396710) $69.00 Order 3 (4396710) $96.00