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Duka Telescopic Valve Type 400 Ø105 mm Grey - Ventilation - 111240

Duka Telescopic Valve Type 400 Ø105 mm Grey - Ventilation - 111240

With a Telescopic Valve, You Get a Complete Solution For Ventilation in Your Home. A Complete Telescopic Valve With Sound-insulated Wall Feed-through, Insect Net, External Gray, Red or White Louvre Grille, Internal White Wall Valve With Cord Pull, Dust Filter And Condensation-insulated Lid. Used For Wall Thicknesses From 260-400 mm. Can be Extended With a 20 cm. Extension Tube. Sound Attenuation in The Closed Position is 45 dB And in The Fully Open Position is 26 dB. Note During Installation: It is Best to Install Telescopic Valves in The Outer Walls - Approx. 100 mm From Ceiling. There Should be Two Valves Per Room, Depending on The Size of The Room. The Valves Must Always be Placed Opposite Each Other so That The Air Circulation Proceeds Effortlessly. If Possible, The Valves Should be Placed on The West And East Sides of The House, Since The Wind in Denmark Mainly Comes From The West.

EUR 56.15
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