best inline fan for grow room

{"cid":"91188603","title":"High CFM\u2002Quiet Inline Exhaust Fan \u2002Hydroponic Grow Room Ventilation Support","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/1d\/e2\/82e6d054c64505fec4af761f3f7a-200x200-1.jpg","attrs":{"Brand Name":"OEM","Model Number":"4 Inch \/6Inch \/ 8 Inch\/10Inch\/12 Inch","Minimum Order Quantity":"50 pcs","Delivery Time":"20 days","Certification":"ISO CE CSA GS","Place of Origin":"China","Payment Terms":"T\/T, Western Union","Packaging Details":"1 pc\/ carton","Type":"Centrifugal Fan","Blade Material":"Stainless Steel","Mounting":"Inline duct fan","Voltage":"120V\/220V\/380V","Air Volume":"2033~1230000m3\/h","Speed":"960~2900r\/min","Feature":"Low Noise Power Saving","Color":"Silver or black"}}

{"cid":"91193746","title":"Passive Intake 224CFM 125mm Centrifugal Exhaust 5 Inch Inline Duct Fan","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/a1\/b3\/e44585467c1dcd92b572247dfdad-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"CPMDJ","Model Number":"CPJ-125A\/B","Minimum Order Quantity":"100PCS","Delivery Time":"15-35 days","Certification":"CCC","Place of Origin":"Made in China","Payment Terms":"TT, LC","Supply Ability":"10000000","Packaging Details":"Foam+Carton","Product Name":"Inline Ducted Fan","Air Flow":"224\/420","Color":"Black\/can be customized","Power":"74\/104","Static pressure":"402\/470","Speed":"2500\/2800","Weight":"4kgs","Noise":"50\/54"}}