BYPASS rectangular counterweight

DESIGN

-by-Pass by counterbalances, easy and simple to use with adjustable counterbalances. Highly effective to eliminate whistling vents closed in and allows the escape of surplus air in case of overpressure in the ducts.
- Galvanized aluminum or silver finish.
- Fixing CLIP.

INSTALLATION

· With mounting frame M.
· About wooden frame.
. About fiber conduit.