How much does this cost to the nearest dollar?

Pureline Replacement for Whirlpool Refrigerator Water Filter.NSF 372 and NSF 42 Certification (2 Pack)
Triple Action Filtration Pureline filters use advanced active coconut shell carbon block, with 2x larger surface area and more micropores. First the water passes through the pores of the filter, The water is further purified through two separate stages of ionization filtration that take place as the water passes through the carbon block to your refrigerator. the filter material in the Pureline refrigerator filter improves the overall taste of your water Top Notch certification and Premium Material Pureline filters are completely made with Lead-Free, BPA-Free and Food Grade materials as verified by our NSF 372 and NSF 42 Certification and WQA, and IAPMO. And Pureline carbon blocks have been

Price is $28.00
Price: $27.99