Manthorpe Manthorpe Rectangular-to-Round Duct Adapter – Trade-Grade Roof Vent Connector for Flexible Ducting, Matte Black Plastic, Precision Fit Tile Vents Equivalent area tested to BS

Equivalent area tested to BS EN13141-1:2004

Plug length: 31mm

it offers everyday functionality in a well-balanced rectangular format

fascia boards

Manthorpe Manthorpe Rectangular-to-Round Duct Adapter – Trade-Grade Roof Vent Connector for Flexible Ducting, Matte Black Plastic, Precision Fit Tile Vents Equivalent area tested to BSThe 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