manual reset fire flaps and dampers

{"cid":"91170599","title":"Manual Reset Adjustable Hvac Fire Damper Fusing Temperature 70\u2103 \/ 280 \u2103","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/6f\/c1\/9d649250e868fca62a38ea5449b4-200x200-1.jpg","attrs":{"Brand Name":"Zhisheng","Model Number":"FHW - 2","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":"Cold rolled steel","Type":"fire damper","Adjustable":"yes","Color":"red","Size":"Combining with the air duct sizes","Shape":"Rectangle"}}