Null passive vent for single pane

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{"cid":"253509","pid":"34438292","pimg_url":"\/\/img1.b2bforus.com\/9f\/63\/8de664bb1233\/product\/133274602_s-w400xh400.jpg","name":"Null Suitable For Single Pane Fitting Most Y80b Thickness Glass Industrial Roof Fan Ventilation","attrs":{"Price":"Negotiable","MOQ":"100.0 meters","Delivery Time":"Negotiable","Brand":"ZUPON"}}

{"cid":"253509","pid":"34438284","pimg_url":"\/\/img1.b2bforus.com\/9f\/63\/8de664bb1233\/product\/133274573_s-w400xh400.jpg","name":"Y65 Supply Zero Cost Effective Asian Glass Tile Fan Single System Ventilation","attrs":{"Price":"Negotiable","MOQ":"100.0 meters","Delivery Time":"Negotiable","Brand":"ZUPON"}}

{"cid":"253509","pid":"34438278","pimg_url":"\/\/img1.b2bforus.com\/9f\/63\/8de664bb1233\/product\/133274533_s-w400xh400.jpg","name":"Caton's just zero item Y65 popular in Southeast Asian high resistance to wind load natural ventilation for general windows and doors","attrs":{"Price":"Negotiable","MOQ":"100.0 meters","Delivery Time":"Negotiable","Brand":"ZUPON"}}