●Centrifugal model
●Deliver exceptional air flow & pressure performance
●Flame resistant polypropylene housing with UL flame retardant rating of UL94-5VA
●Fan blade made of glass fiber polyester resin material with spark resistant feature
●Can be used with 8"" (203mm)flexible duct
●Adjustable fan blade position at 45o, 90o & 180o discharge angles
●Noise level = 88dBA
●Not explosion proof
●220V/1Phase/50HZ。