Pentair Lock Ring | Dynamic Filters, Leaf Traps & High-Capacity Feeders | R172214 Phosphate Removers Combines three performance technologies into

Combines three performance technologies into a single replacement cartridge: PurePleat™ — engineered pleating that prevents bunching and drives dirt capture to the outer edges

Also known as: PS3890

Available in horsepower ratings ranging from 1/2"P to 3HP

Oxidizes organic contaminants that cause odors

Pentair Lock Ring | Dynamic Filters, Leaf Traps & High-Capacity Feeders | R172214 Phosphate Removers Combines three performance technologies intoThe Pentair Lock Ring (R172214) is the OEM replacement lock ring for the Pentair Dynamic Filter Series II & III cartridge filters, Pentair Leaf Trap models 179 and 179C, and Pentair High Capacity Automatic Feeders (HC 3315, HC 3330, HC 3340). The lock ring threads onto the housing canister and holds the lid or body sections together under operating pressure. A cracked, stripped, or deformed lock ring allows the housing to separate during operation,