Watts (WQTSC-10) 10" Pre-filter Cartridge for Watts QT RO - Sediment Pentek (155360-43) 20"x4.5" DGD-2501 Dual-Gradient Polypropylene Sediment 1 Micron Filter Replace at the rated interval

Replace at the rated interval even if flow seems fine

and initiate a manual regeneration cycle to verify proper backwash flow

This filter fits standard 10-inch Big Blue housings with 4

and direct water line connection for hands-free hydration

Check polyester pleats for embedded debris or deterioration

Watts (WQTSC-10) 10" Pre-filter Cartridge for Watts QT RO - Sediment Pentek (155360-43) 20"x4.5" DGD-2501 Dual-Gradient Polypropylene Sediment 1 Micron Filter Replace at the rated intervalWatts QT RO System Component Watts WQTSC 10 10" Sediment Pre Filter Cartridge Melt blown polypropylene construction captures sediment, rust, and particulates before they reach your RO membrane 10 Micron 10" Length OEM Replacement WHY IT WORKS Melt blown sediment filtration engineered for the Watts QT system Graduated Density Melt blown polypropylene fibers create tighter filtration toward the core, capturing larger particles first and extending