How much does this cost to the nearest dollar?

Pentair Pentek PCC-1 Phosphate Water Filter, Under Sink Hexametaphosphate Crystal Replacement Cartridge, Fits #10 Standard Filter Housing
Pentair Pentek PCC-1 Phosphate Water Filter, Under Sink Hexametaphosphate Crystal Replacement Cartridge, Fits #10 Standard Filter Housing. Effective for preventing lime and scale deposits and treating corrosion and iron problems. Contain Hexametaphosphate crystals that dissolve slowly in water to inhibit scale and rust build-up. Recommended for ice, coffee and vending machines, water heaters, AC equipment and many other types of water processing equipment. Designed to fit #10 Standard Filter Housing (not compatible with #10 Slim Line Filter Housing). Replace every 6 months or when you notice a drop in water pressure or water quality. EFFECTIVE

Price is $64.00
Price: $63.59