Pentair Air Bleed Tube | System 3 Modular Media Filter | 25021-0003Z UHDSR137 **We recommend you monitor your

**We recommend you monitor your filter's pressure gauges to ensure no issues with your filtration and circulation system

Triton II TR60 units after June 2007

apply to the backing and press firmly into place

⚠️ IMPORTANT: KIT LISTING — COMPLETE FEED LINE SET

Length 23 1/4" Outer Diameter 8 15/16" Top Inner Diameter 4" Bottom Inner Diameter 4" Material PurePleat Pleatco Ultra Features

Pentair Air Bleed Tube | System 3 Modular Media Filter | 25021-0003Z UHDSR137 **We recommend you monitor yourThe Pentair Air Bleed Tube (25021 0003Z) is the OEM replacement air bleed tube for the Pentair (formerly Sta Rite) System 3 Modular Media Filter. If your filter's air bleed assembly is cracked, missing, or no longer venting trapped air properly, this is the direct OEM replacement. The air bleed tube channels trapped air from inside the filter tank to the manual air relief valve, allowing air to be purged from the system during startup and after