PUR Under-Sink Replacement Water Filter Cartridge Kit for PUN1FS and PUN3RO

Ensure your PUR under sink PUN1FS or PUN3RO water filtration systems continue to produce cleaner, better-tasting drinking water with the PUR PUNCRBKIT filter replacements. This kit includes two universal 5 micron carbon block filters that are NSF certified to reduce chlorine and particulates, such as sand, rust and dirt. Replace filters every six months for optimal system performance.|Replacement kit includes 2 carbon block filters; for use with the PUR Single Stage Under Sink Universal Water Filtration System PUN1FS (1 year supply) and PUR 3-Stage Under Sink Universal Reverse Osmosis Water Filtration System PUN3RO (6 month supply).|NSF/ANSI Standard 42 and CSA B483.1 certified to reduce chlorine and particulates such as sand, rust and dirt|Compatible with most other universal water filtration systems|Replace the filters every 6 months for optimal system performance and to ensure cleaner, great-tasting water