A84E-Plastic Motorized Damper PVC Check Valve Air Duct Volume Controller For Ventilation Pipe 220VAC

Welcome to my store. I hope you have a pleasant shopping experience.High-concerned chemical : None Structure : Angle Origin : Mainland China Certification : NONE Specification 1 : electric damper Specification 2 : Plastic Motorized Damper Specification 3 : volume control valve Specification 4 : Air Duct Volume Controller Specification 5 : round electric regulator