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240 Grit: Fine
1 x Backing Pad
Provides a maximum equivalent area of 5500mm² of free air space
Bar with 4 adjustable spring grips
ties are designed to be released and re-used
Brick Tunnel Invisible Cavity Wall Vents Weep Vents 240 Grit: FineProduct Description Buff Tunnel Weep Vents Low profile invisible tunnel weep vents. Suitable for commercial and domestic use. Satisfies NHBC standards. British made manufactured to BS EN ISO 9001. Dimensions: 100mm x 64mm x 10mm. The product can be slotted between two bricks and mortared into position. It provides an unobtrusive ventilation point for the cavity behind. Other colours available in our shop. Use Any situation where water must be