Pentair Black Manual Air Relief Assembly | 273550Z Blue Square Light Accessories and Niches Genuine Pentair OEM Replacement –

Genuine Pentair OEM Replacement – Designed for Clean and Clear 50/100 SqFt cartridge filters

Keep this tool set in your maintenance kit for quick field repairs

then use appropriate tools to secure fittings—do not overtighten

and C502 filter systems

This comes with five in a pack

Pentair Black Manual Air Relief Assembly | 273550Z Blue Square Light Accessories and Niches Genuine Pentair OEM Replacement –Pentair Black Manual Air Relief Assembly 273550Z OEM Pentair manual air relief assembly. Releases trapped air to maintain pressure and efficient filtration. Features OEM replacement for Pentair FNS, Nautilus Plus, and SMBW 4000 series filters. Manual air relief valve removes trapped air from filter tank. Integrated pressure gauge for system monitoring. Improves filtration efficiency and startup performance. Durable construction for long service life.