Titon Trimvent TV4000 vent only - For use on Timber, PVCu or aluminium windows. Designed to fit a 13mm slot in the head or top rail of a window these ventilators meet the requirements of current Building Regulations. This vent allows for 4000m2 but there is a smaller size allowing 2000mm2 of available air. An open and close operation vent fits inside the room with a hooded, fly screen canopy outside. Available in white or brown, plastic or aluminium.
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