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In stock
£2.64
£2.20
- Telescopic and adjustable for a step of 3, 4 or 5 brick courses.
- Suited for 50-100mm cavity width construction.
- Horizontal and vertical extension accessories available.
- Free area of 8000mm2 per unit when installed without 1201AB airbrick.
- Free area of 6500mm2 per unit when installed with 1201AB airbrick.
- Equivalent area of 6170mm2 per unit when installed with 1201AB airbrick.
- Special grille included to prevent entry of vermin.
- Durable, robust and totally resistant to decay.
- Satisfies all NHBC requirements.
- Manufactured to BS EN ISO 9001 and BS EN ISO 14001.
- Complies with all relevant Building Regulations.
- Meets all relevant British Standards.
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