Pentair Air Relief Tube, for TR140C Filter | 154438 Square Fire Bowl Elevate your outdoor living space

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Four- or three-piece configuration for flexible installation options

For compatible Hayward C2020 filter systems

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Resilient Cushions with Optional Sunbrella Fabric: Ensures comfort and easy maintenance

Pentair Air Relief Tube, for TR140C Filter | 154438 Square Fire Bowl Elevate your outdoor living spaceWhat 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