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A versatile antiluce dropcatch fastener
Louvred 4mm flyscreen grill prevents entry of birds and large insects
Premium quality mixed grit detail sanding pads
Chrome Vanadium steel combination spanners
000mm² / 25
2 x Cavity Wall Combination Extension Sleeves for 9" x 3" Air Brick Vents G935 Vents & Ventilation A versatile antiluce dropcatch fastenerManthorpe G935 Extension Sleeve Pack of 2 Extension Sleeve 9" x 3" for cavity wall ventilators. Part number: G935. Each pair of extension sleeves adds on a extra 120 280mm to the airbrick. Designed to fit to the back of a G930 airbrick. Further horizontal extension can be added. Alternatively it can be stacked to form 9" x 6" or 9" x 9" formations. Provides a maximum equivalent area of 6600mm Meets NHBC requirements for the control of condensation in
