280x280x88.9mm/11x3.5 inch, 1450 ~ 460CFM 
 -Motor: 2 / 4 pole, capacitor induction, single phase, thermal protection (* 3 phase available) 
 -Frame: Aluminum die cast, natural color treatment. Option: Black cosmetics (AP) 
 -Impeller: Glass fiber reinforced thermoplastic impeller, rated UL94V-0 
 -Rotation: CCW looking at rotor, air inlet side of housing, air outlet from struts 
 -Bearing System: Two high precision permanently lubricated ball bearings 
 -Operating Temp: Ambient non-condensing allowable thermal range -20 ~ +75 C 
 -L10 Life: MTBF Formula L10 indoor life test 90K hours at 35C, 50K hours at 60C 
 -Dielectric Strength: Over 1 min. At 1,500 VAC, 0.5mA, 50/60 Hz 
 -Insulation Resistance: Over 100 Mega Ohm at DC 500V 
 -Connection: Wire lead or Terminal flat pin connecting for choice 
 -Net Weight: 3500g (7.7 Lbs)