* T-bar deflects air up and down
* Compression closing action
* For use on 13mm slot
* Use with external canopy or plastic grille
* 2000mm2
* Based on successful Trimvent principle
* Unique linkages ensure constant friction and smooth action
* Vent supplied with screw covers
* Patented and registered design
* Special colours available on request
* Cord control vent available
* Sleeve for hollow profiles available
* Felted gasket for increased performance