Klober 100mm flavent mechanical extract & soil vent pipe (bitumen) soil vent pipes prevent back siphonage occurring and reduces the likelihood of blockages in waste pipes. product features & benefits: optimum living space air flow ventilation properties, providing fresh air supply and removing stale and fowl air ideal connectors for bitumen and plastic roof membranes rain-proof design pipe extension options for variable insulation thicknesses – extendable by means of insulation package components individual flange connectors enable quick installation.
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