Pentair Air Relief Tube, for TR140C Filter | 154438 Square Fire Bowl keeping your pool lights protected

keeping your pool lights protected season after season

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and long-term system reliability

Pentair Air Relief Tube, for TR140C Filter | 154438 Square Fire Bowl keeping your pool lights protectedWhat This Part Is Used For Pentair 154438 Air Relief Tube TR140C is a replacement air relief tube for compatible TR140C sand filter systems. It channels internal air toward the filter relief assembly. Why This Part Matters Improper air venting can cause pressure irregularities inside the tank. A cracked or disconnected tube can disrupt filter performance. Replacing it restores proper internal air management. Key Features and Specifications