![sm1400](https://brookvent.co.uk/wp-content/uploads/2016/03/sm1400.png)
AIRVENT SM 1400
- Severe weather rated, aluminium vent with wood pile seals
- Readymade and bespoke sizes available
- Supplied in bar length
- Rod control (Portable) 0.5m/1m
- Up to 32 db Dne W – open position
![](https://brookvent.co.uk/wp-content/uploads/2023/07/smultima.png)
AIRVENT SM ULTIMA
- Up to 47 dB Dn,e W reduction when open
- 5000mm2 EA & 2960mm2 EA Airflow sizes
- Graduated opening for airflow control
- Wool-pile seal: Watertight up to 1000 Pa
- Natural upward airflow deflection
See our products in action
Battersea Reach / Greenwich Peninsula / London City University