Aprilaire 6705 specifications:
The Aprilaire 6705 - 5 Inch Round Slip-In HVAC Damper is a spring-return damper designed to be inserted in a five inch round branch duct. This HVAC damper helps zone your home without costly duct modification. The Aprilaire damper provides true comfort throughout your home and boasts maintenance-free operation. This motorized damper is also known by model number 6705.