0 57cm one way degassing valve

{"cid":"91184128","title":"0.57cm One Way Degassing Valve For Coffee Beans Zipper Bag","imgUrl":"https:\/\/img.chinax.com\/nimg\/86\/50\/d823b9f13da1ca28f2b0c6b04f3a-200x200-1.jpg","attrs":{"Price":"0.019 - 0.027USD\/PCS","Brand Name":"Cheer Pack","Model Number":"A2","Delivery Time":"Normally 7 days","Certification":"SGS","Place of Origin":"Guangzhou,China","Payment Terms":"Western Union, T\/T","Packaging Details":"53*45*43cm carton","Product":"ventilation valve","Formation":"PE main body & Silicon gasket & Silicon oil","Feature":"Exhale air \/ vent air flow from bags","Height":"0.57cm","Outer size":"1.98cm","Application":"For coffee beans zipper bag","Color":"White","Sample":"Provided","Material":"Plastic","Pressure open":"2-8mbar"}}