描述
- UV stabilised White plastic to protect against deterioration by sunlight.
- BBA Cert : 94/3071 BBA approved by the NHBC, building control officers
- Size 155mm length x 94mm height
- Free area 4400mm2 per vent
- Flyscreen
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2 x White Plastic Hit and Miss Vent Adjustable Cover 6 x 3 with flyscreen (Two Vents)
