How much does this cost to the nearest dollar?

Berkey Authentic Black Berkey Elements BB9-2 Filters for Berkey Water Systems (Set of 2 Black Berkey Elements)
Product Description Product Description Authentic Black Berkey Elements (also known as BB9-2) address over 200+ typical contaminants that could be present in tap water and raw, freshwater sources like rivers and ponds. A pair of Black Berkey Elements lasts for up to 6,000 gallons before replacement is recommended. Elements may require replacement sooner based upon the quality of influent water. Each additional pair of Black Berkey Elements (sold separately) adds an additional 6,000 gallons of contaminant reduction to your system. If desired, Berkey PF-2 Fluoride and Arsenic Reduction Elements (sold separately) may be installed on each Black Ber

Price is $173.00

Price: $173