breathing function manhole cover for special vehicles

{"cid":"91224153","title":"Fuel Tanker Double Breathing Valve Manhole Cover Durable Design for High Flow Rate and Temperature Control","imgUrl":"https:\/\/img.chinax.com\/nimg\/07\/5c\/a544a7cfe1371b515c347c16de01-200x200-1.jpg","attrs":{"Price":"$18\/units 1-9 units","Brand Name":"CHUANCHU","Model Number":"\/","Minimum Order Quantity":"1","Delivery Time":"7-30 days","Place of Origin":"Hubei, China","Working Voltage":"\/","Flow Rate":"\/","Warranty":"1YEAR","Type":"parts of oil tank truck","Body Material":"Aluminum Alloy","Medium":"compressed air","design tempresure":"-20\u00b0~+50\u00b0","air connection":"6mm","Applicable gas source pressure":"0.5-0.8mpa","Installation method":"Threaded type, flange type","Application":"OIL TANK TRUCK","Use":"Maintain constant pressure inside the tank","Packaging Details":"Wooden box","Payment Terms":"T\/T","Supply Ability":"Meet large-scale orders"}}