Amazon.com has Whirlpool 4396841P PUR Push Button Side-by-Side Refrigerator
Water Filter, 2-Pack for $56.23
But at the checkout its adding a promotion discount of $10.95 which is
making the total price for $43.79 with free shipping. This makes the cost of
each filter $21.9
Even the three pack has similar promotion discount knocking off $16.95. But
2 pack seems cheap than three pack ($26.33 each )
Chase freedom cardholders also get 5% cash back on amazon.com purchases
purchases: https://creditcards.chase.com/freedom/activate.aspx?jp_ltg=tiles