White Trickle Vent 400mm. Why Choose Our Trickle Vent?. Positive Open and Close Action: Effortlessly adjust the airflow to your liking. Water Tightness Limit: Achieves an impressive limit of 400 p.a., ensuring durability and performance.
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These vents are the smallest Aluminium 5000Ea vents on the market at only 410mm long. Greenwood slot vent ( Aluminium ).
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The distance for the screw holes 2000 vents is 243mm, 3000 vents is 285mm, 4000 vents is 387mm, 5000 vents is 473mm. Irish Oak. Anthracite Grey RAL 7016. Slate Grey RAL 7015.
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The ACK4 Chain Actuator from TOPP is our most popular electric window opener. ACK4 230V Actuator X1. ACK4 Roof Vent Bracket X1. ACK4 Side Bolts X2. ACK4 Instruction Booklet X1. Single Chain Opener Suits Windows Up To 1500mm Wide.
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Slot Size: 340x12. Technical Data EA to BS13141-1: 2830.
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Length 400mm long. Colour White. Made from UV stable ASA.
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Extra Vents = £0.95. Features and further details. 10mm x 203mm Rout Required. 2000MM² Free Aria (S). 1600mm² Equivalent Area (E+W ).
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