Q-Line trickle vent that has been tested to British standards. Available in various sizes from 205mm to 405mm.
- Available in 4000 (2500mm²), 3000 (1692mm²) & 2000 (1134mm²) variants
- From 1134mm² to 2500mm² equivalent area
- Made from stable ASA
- Snap on screw cover caps
- Multi position vent
- Tested to BS EN 1026:2000 & BS END1027:2000