snap on round ceiling air vent covers

{"cid":"91138183","title":"Air Vent Exhaust Grille Wall Ceiling Grille Ducting Cover Outlet","imgUrl":"https:\/\/img.ismap.com\/nimg\/21\/67\/5e6935e07e6a63f1d7b696033165-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"TOBO","Model Number":"Air Vent Cap","Minimum Order Quantity":"1PC","Delivery Time":"15-30 working days","Certification":"ISO14001,ISO9001\/2008,ISO","Place of Origin":"Shanghai,China","Payment Terms":"L\/C, T\/T","Supply Ability":"10000 PC Per Month","Packaging Details":"In wooden case, pallets or as per customers\u2019 requirement","Material":"Stainless Steel,Carbon Steel,316","Type":"Cap","Shape":"round, circular","Standard":"DIN,SMS,ASME B16.9,ANSI","Size":"Customized Size,1\/2\"~ 72\"","Usage":"Industrial Furnace,Bluastrade","Surface treatment":"pickled or polished","Packing":"In wooden cases or according to clients' requirement","used":"Air outlet","ordinary":"70mm;80mm;100mm; 150mm","Thickness":"ordinary 0.2mm ;Thickening 0.4mm"}}