pressure relief ports

{"cid":"158404","pid":"26180725","pimg_url":"\/\/img1.b2bforus.com\/d3\/fb\/4c017f58f854\/product\/92744382_s-w400xh400.jpg","name":"Aluminum Alloy Cold Room Cold Pressing Balance Pressure Window , Square Pressure Relief Ports","attrs":{"Price":"Negotiable","MOQ":"60 Pieces","Delivery Time":"Negotiable","Brand":"YULONG"}}