Gravity Flaps for Backdraught Prevention Brown Suitable for Wall Mounting Brand:MANROSE MANUFACTURING LTD Manufacturer Stock Code:1202B Length:50 mm Width:180 mm Height:180 mm Diameter:150 mm Weight:0.2 kg Manufacturer Guarantee:3 years Sub-Category:Outlets Colour:Brown Brand:Manrose Pack Size:1 Interior or Exterior:Exterior Category:Ventilation Building Phase:First Fix