All-aluminum construction
Two sets of individually adjustable blades
Equalizes flow and controls volume at collar take offs to registers and grilles
Equipped with gasket around outside of frame for positioning firmly in duct

Sizes:

Minimum 6" x 4"

Maximum 20" x 36"

Submittal Drawing (PDF file)

More Miscellaneous

Customer Service

Phone   800.433.6341 or 616.656.8200
Faxne   800.223.8461