Grey Double Roman Roof Tile Vent & Adapter for Marley Redland Sandtoft coming-soon In 1921 invented the worm

In 1921 invented the worm drive hose clip and have been manufacturing them ever since

Drill size: 5

Cowl protects against excessive weather conditions and alleviates air blasts through the cavity

Ambidextrous units can be used on either hand

Mild steel zinc protected

Grey Double Roman Roof Tile Vent & Adapter for Marley Redland Sandtoft coming-soon In 1921 invented the wormProduct Description Grey Double Roman Roof Tile Vent and Adapter Fits Marley, Redland, Russell, Lagan & Sandtoft Grey roof tile ventilator. In line and discreet low profile design. For roof ventilation, extractor fans and soil pipe termination. Can be used with concrete and traditional clay tiles. Fully independently wind tunnel tested. Adapter converts to a round opening that can be attached to a soil stack or extractor fan with a 100mm 120mm PVC