AppliaFit 6-Pack Water Filter Housing O Ring Compatible with Pentek 151120 O-Rings

6-Pack O-Ring Replacement Compatible with Pentek 151120. Compatible Pentek 151120 and OR-241-B. Also compatible with 3G Standard filter housings. EXTENDS LIFE AND QUICK TROUBLESHOOTING: Replacing the O-ring is recommended during each filter change as your o-ring may collect hard water minerals, get pinched or twisted during installation, or expand/shrink while being under water pressure. Made from Heavy Duty Premium Materials for Durability and Performance. Packaging may vary. The brand names and logos are the registered trademarks of their respective owners. Any use of the brand name or model designation for this product is made solely for purposes of demonstrating compatibility.