type a mushroom vents for boats

{"cid":"91219628","title":"Marine Mushroom Ventilators For Axial Fan Type C Mushroom Ventilator Portos1 - Boat Repair","imgUrl":"https:\/\/img.chinax.com\/nimg\/e3\/33\/78b8c4ccaf2523d241982e976a97-200x200-1.jpg","attrs":{"Price":"Discuss personally","Brand Name":"FEIHANG","Model Number":"FH","Minimum Order Quantity":"5pcs","Delivery Time":"5days","Certification":"Factory certificate, test report, material report","Place of Origin":"Yangzhou, Jiangsu, China","Payment Terms":"100% prepaid","Supply Ability":"100pcs\/days","Packaging Details":"Export packaging","Product Name":"MARINE MUSHROOM VENTILATOR","Type":"Type-C Top Open Type-external Opening And Closing-matching Fan","Body Material":"Steel","Size":"DN250-DN1500","Surface Treatment":"Epoxy Paint","FLANGE STANDARDS":"FLANGE CONNECTION SIZE ACCORDING TO CUSTOMER REQUIREMENTS.","Design standards":"CB\/T4444-2017","Application":"Marine Deck"}}

{"cid":"91184247","title":"Type and basic dimensions of marine type CB\/T445-65 marine type A external open type mushroom vent head","imgUrl":"https:\/\/img.chinax.com\/nimg\/42\/2a\/29a94027882ebe2246ba08dbefec-200x200-1.jpg","attrs":{"Price":"USD700.00-USD3000.00","Brand Name":"FEI HANG","Model Number":"A,B","Minimum Order Quantity":"2PCS","Delivery Time":"3-5dys","Certification":"Factory certificate","Place of Origin":"Yangzhou, Jiangsu, China","Payment Terms":"T\/T","Supply Ability":"50PCS\/dsys","Packaging Details":"export package","Executive standard":"CB\/T445-65","Material":"carbon steel, stainless steel","Nominal diameter":"100-600A","Flange standard":"PN6\/PN10"}}