Pentair Bottom Locking Flange R172370 Zodiac valve Filters manufactured before 2005 should

Filters manufactured before 2005 should have both top and bottom halves

Field-adjustable stops with friction lock: Enables precise positioning and keeps settings secure during operation

The frame is reinforced with aluminum for lasting stiffness

The Pool Breeze OptiShock product is a non-chlorine granular shock that is very effective at removing organic contaminants and irritating chloramines

The Maytronics Gray Climbing Brushes (Part 6101641-R2) are genuine OEM replacement brushes designed for use with select Dolphin robotic pool cleaners

Pentair Bottom Locking Flange R172370 Zodiac valve Filters manufactured before 2005 shouldPentair Bottom Locking Flange R172370 Pentair Bottom Locking Flange for the following Pentair Filters: Dynamic Filter Series II & III RTL RCF Dynamic Filter Series IV Model DSF Pentair R172370