Telescopic Adjustable Ventilator. (TYPE TAV). May be used in Cavity Walls with 50mm cavity upwards . B.S. Polypropylene, colour Black. Maximum Air Flow 7500mm2 when used with approved Cavibrick.
Size 225mm x 70mm Opening
Extended Height 370mm / 225mm
Please Note. Does not include Air Brick.
All Prices Exclude VAT.