F2 ESSENTIALS System by Instapure. Chrome with Clear Cap, WQA Gold Seal Certified. As low as $20.95 Replaces Models (F2, F2C, F2BCT3P & TAP-ESS-SYS-CT-A1 ) – Instapure
Instapure R2 ESSENTIALS (R2C, F2R-1ES, TAP-ESS-REPL-1) Replacement Filter (Single) - Faucet Mount Water Filters - Amazon.com