How much does this cost to the nearest dollar?

Waterdrop Plus NSF 401, 53&42 Certified Refrigerator Water Filter, Compatible with Whirlpool Everydrop Filter 4, Maytag Puriclean II, FMM-2,
Replacement models Replacement for Whirlpool & Maytag Amana EveryDrop Filter 4, Sears or Kenmore 9006, 9992, 9005, 9084, Bosch Viking RWFFR, WF295, Puriclean II. Waterdrop is an independent brand. This Waterdrop replacement water filter for Whirlpool refrigerator is comprehensively certified by NSF against NSF/ANSI 401, 53, 42 &372 Standards test from each component to the filter cartridge as a whole to achieve a supreme filtration performance. This filter has been strictly certified by NSF 401

Price is $16.00
Price: $15.99