Flap valve pine Flexit
The lid is hinged at the bottom. Fresh air is forced up under the roof to reduce the risk of cold draughts. Lid and frame are made of untreated pine. Suitable for internal telescopic ducts. Storage in sunlight can cause colour change. Paintable.
| Dimension A |
175 mm
|
|---|---|
| Dimension B |
140 mm
|
| Dimension E |
22 mm
|
| Dimension F |
12 mm
|
| Main material |
Pine
|
| Dimension D |
141 mm
|
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