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White 110mm External Air Admittance Valve | 4″ Anti-Syphon Soil Pipe Vent for Outside Use

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£15.88
A UV-resistant 4-inch white anti-syphon valve designed for external soil pipe venting, offering a sleek and durable solution for drainage pressure balance.
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Grey 110mm External Air Admittance Valve | 4″ Anti-Syphon Soil Pipe Vent for Outside Use

In stock

£15.88
A durable, UV-resistant 4-inch grey anti-syphon valve designed for external soil pipe venting and drainage pressure regulation.
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Black 110mm External Air Admittance Valve | 4″ Anti-Syphon Soil Pipe Vent for Outside Use

In stock

£15.88
A UV-resistant 4-inch anti-syphon valve designed for external soil pipe venting, providing a secure solution for drainage pressure balance outside the home.
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