Locking Ring P4 Universal for Davey cartridge filters one way PLP011 lid with integrated O-ring

PLP011 lid with integrated O-ring — a ready-to-install package that minimizes downtime and extra parts hunting

Eyeball opening: ~25 mm

fewer backflow issues

This dedicated 40mm suction fitting installs behind the wall with a secure back-nut and a visible safety label

the Skimtrol S75 old Style bypass plate is purpose-built for the S75 MK1 32701 SK-SKW configuration

Locking Ring P4 Universal for Davey cartridge filters one way PLP011 lid with integrated O-ringEngineered for Daveys cartridge filtration systems, the Locking Ring P4 Universal is the reliable bridge between modern and legacy setups. Designed to fit a broad range of Davey filters including Pantera PCF II, Hurcon QX, and Monarch P4 units this locking ring ensures a snug, secure connection so your cartridge stays sealed under pressure and operation stays quiet and efficient. Key benefits and practical value: Universal compatibility across Davey