25 x Clear Brick Tunnel Weep Vents Invisible Cavity Wall Water Outlet Workshop Consumables Used for lifting iron manhole

Used for lifting iron manhole covers and stop cock covers

Installation instructions

610 x 305mm and 510 x 255mm

Length: 58mm

floor slabs

25 x Clear Brick Tunnel Weep Vents Invisible Cavity Wall Water Outlet Workshop Consumables Used for lifting iron manholeClear Tunnel Weep Vents Pack of 25 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 discharged from