At Casa, search for "4396841P" to find the the Whirlpool PUR Push Button Side-by-Side Refrigerator Water Filter 2-Pack
, model no. 4396841P, for $56.70. Coupon code "CASA30" drops it to $39.69
. With free shipping
, that's the lowest total price we could find by $2, although we saw it for $4 less in January. Sales tax is added where applicable. Each filter features an indicator light that tells you when to replace it.