12mm blade shaft rectangular dampers hvac

{"cid":"91186250","title":"Automatic Blade Duct Zone Dampers Action Manual \/ Automatic","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/bc\/92\/7d61632776d0a8a559d35e138b3e-200x200-1.jpg","attrs":{"Price":"USD 9.1-32","Brand Name":"WD","Model Number":"WD-91204","Minimum Order Quantity":"10pcs","Delivery Time":"7-25day","Place of Origin":"China","Packaging Details":"Carton + pallet","Payment Terms":"TT","Supply Ability":"5000pcs\/month","Damper Finish":"Powder Coated","Damper Seal":"Gasketed","Damper Actuator":"Motorized","Damper Control":"Automatic","Blade Angle":"Adjustable","Damper Operation":"Manual\/Automatic","Material":"Stainless Steel\/galvanized Sheet","Damper Frame":"Galvanized Steel"}}

{"cid":"91170599","title":"Automatic Opposed Blade Hvac Air Duct Damper Core Section Easy Installatio","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/6c\/af\/cd48f327e7a9bd9717f00ea26838-200x200-1.jpg","attrs":{"Brand Name":"Zhisheng","Model Number":"ZS-DF","Minimum Order Quantity":"20 sets","Delivery Time":"about 15 days upon receipt of deposit","Certification":"ISO9001","Place of Origin":"Guangdong, China (Mainland)","Supply Ability":"200 sets per month","Packaging Details":"plywood case","Material":"galvanized","Type":"Rectangular damper","Control":"Electric","Color":"Anodized","Size":"customazed","Application":"clean room"}}