Greenhouse Negative pressure fan

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{"cid":"105715","pid":"20902942","pimg_url":"\/\/img1.tradegrowthhub.com\/8c\/53\/e6ad5a26b969\/product\/69433442_s-w400xh400.jpg","name":"Stainless Steel Centrifuge Poultry Aeration Fan Ventilater Fan Push Pull Industrial Greenhouse Fan","attrs":{"Price":"$240.00(10 - 49 Units) $235.00(50 - 99 Units) $230.00(>=100 Units)","MOQ":"10 Units","Delivery Time":"Negotiable","Brand":"DHF, DHF"}}

{"cid":"105715","pid":"20902913","pimg_url":"\/\/img1.tradegrowthhub.com\/8c\/53\/e6ad5a26b969\/product\/69433338_s-w400xh400.jpg","name":"430 Stainless Steel Blades 54inch Industrial Centrifugal Push Pull Large Window Wall Mounted Exhaust Fan","attrs":{"Price":"Negotiable","MOQ":"1.0 Units","Delivery Time":"Negotiable","Brand":"DHF, DHF"}}

{"cid":"105715","pid":"20902891","pimg_url":"\/\/img1.tradegrowthhub.com\/8c\/53\/e6ad5a26b969\/product\/69433257_s-w400xh400.jpg","name":"Aluminum Alloy Blades Small Box Industrial Shutter Fan Wall Or Window Mounted Exhaust Fan","attrs":{"Price":"Negotiable","MOQ":"1.0 Units","Delivery Time":"Negotiable","Brand":"DHF, DHF"}}