Each - Easy To Fit Vent Includes Inside Part, Outside Part, Screw Caps & Screws.
Suitable for Timber, Aluminium Windows & Doors Heavy Duty Can Be Used To Replace Existing Vents
440mm Overall Length and 23mm projection Providing An Impressive 2580 mm2 Air Flow
Features 2 flaps that can be operated separately to control the air flow.
- UV Stable
- Fully controlled ventilation Ideal for night ventilation
- Reduce Condensation, Damp & Mould By Providing Air Flow.