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Check valve KO-150 for extractor
| -20% | €2.52 |
| -15% | €2.68 |
| -10% | €2.84 |
| -7.5% | €2.91 |
| -5% | €2.99 |
A non-return valve that will avoid air drafts in your ventilation system without disturbing the passive ventilation.
Diameter for 150mm air duct.
