How much does this cost to the nearest dollar?

Tier1 RPWF Refrigerator Water Filter 2-pk | Replacement for GE RPWF (NOT RPWFE), WSG-4, WD-RPWF, WF277, Fridge Filter
Replacement Filter Models This water cartridge is a replacement for GE RPWF & WaterSentinel WSG-4, EP-RPWF, PG-RPWF, WD-RPWF, WF277. Filtration Media The coconut shell activated carbon filter blocks and protects against a broad range of impurities and contaminants. It removes and reduces chlorine taste and odor, rust, sediment and turbidity at a flow rate of 0.5 gpm. Tested & Certified Conforms to NSF/ANSI Standard 42 and 372 Certification. The Tier1 pure water filters have been tested for structural

Price is $18.00
Price: $18.42