50mm 2-Way Air Vent Valve
50mm 2-Way Air Vent Valve
A 50mm Air Admittance Valve (AAV) that allows air into the drainage system to equalize pressure and prevent trap siphoning while keeping sewer gases contained.
A 50mm Air Admittance Valve (AAV) that allows air into the drainage system to equalize pressure and prevent trap siphoning while keeping sewer gases contained.
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