How much does this cost to the nearest dollar?

Culligan cmqjbF Certified Replacement Filter Cartridge for Culligan Filtered Shower Heads (3 Pack)
The Culligan replacement filter cartridge will reduce sulfur odor, chlorine, and scale for softer, cleaner skin, and hair. The filter is easy to install with no tools required, and each filter cartridge lasts 10,000 gallons Culligan can only guarantee the quality of materials, construction and the certification claims of filters manufactured by Culligan Each filter cartridge filters sulfur odor, chlorine, and scale for a full 10,000 gallons or 6 months giving softer, cleaner skin and hair. System tested and certified by NSF International against ANSI Standard 177. Filter cartridge easily installs in Culligan shower heads. Dimensions 7.8 x 7.6 x 

Price is $73.00

Price: $73.02