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Can be used with fibre or rigid slab insulation
UK application type 5 BS AU 152
it offers everyday functionality in a well-balanced rectangular format
Can be used for roof refurbishments or new builds
this model features a rigid polystyrene insulated door
Manthorpe Manthorpe Rectangular-to-Round Duct Adapter – Trade-Grade Roof Vent Connector for Flexible Ducting, Matte Black Plastic, Precision Fit Tile Vents Can be used with fibreThe Manthorpe Rectangular to Round Duct Adapter is a professional quality solution for connecting rectangular ventilation outlets to round flexible ducting. Designed for use in roof spaces, ceiling voids, and loft installations, it provides a reliable and secure transition where accuracy and durability matter. Constructed from thick, trade grade plastic, this adapter features reinforced walls and precise moulding to ensure long term strength and
US$ 15.99
US$ 22.95
US$ 10.39