... 50pcs/pe bag,100pcs/ctn certificate CE/ROHS/ISO90011.high pressure valve2.Airtight3.High toughness, fighting strong Airtight ,mainly installed ... ,used to assist in its rapid inflation and deflation ,used with penkke electric pump, 4.inflate /deflate faster and better. ( ... = new AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); plastic high pressure air valve