Instapure F2 Essentials (F2C, TAP-ESS-SYS-CT-A1, F2BCT3P-1ES) System, Chrome with Clear Cap. - Instrapure Water Filter - Amazon.com
R2 ESSENTIALS Replacement Filter by Instapure (Single), WQA Gold Seal Certified. Replacement for Models (R2, F2R-1ES, TAP-ESS-REPL-1) As low as $7.95 – Instapure