These are cast aluminum body units with galvanized steel blades that smoothly move in and out of the air stream to fully cut off the air or partially close off the duct so as to balance the system and direct the air. A thumb screw allows the gate to be locked in any position.
- These gates come with a raw end that will slide into a cut piece of duct.
- Available in 3" to 24" diameter.
- Products come with raw ends. Diameters are +/- 1/8 inch.