The UB8 is an in-line roof ventilating tile for use in small plain non-interlocking tiles. Designed specially to merge into the surface of plain tiles without disturbing the roofline, each UB8 has a free vent area of 6,250mm2. The design features a slotted insect inhibitor to keep out large insects and vermin. UB8 plain tile vents are suitable for both high and low level ventilation and can be installed without batten or tile trimming.Matching units are also available for the termination of building services by adding a UB8 connector (294304) soil & vent, mechanical and natural ventilation. Please note: When converting the UB8 vent & Connector you will need to remove the insect grid at the back of the Vent, Please see the fixing instructions for further information, alternatively you can order the full kit, Ubbink UB37 where the grill is already removed for ease. Features & Benefits Free vent area of 6,250mm2 Large insect and vermin grille Matches the UB37 where service terminals are also required. Product Specification Material: PVC-u Colour: Anthracite Roof Finish: Small plain non-interlocking tiles Size: 350mm x 330mm Components: Tile, hood, insect inhibitor