Maradyne MM22KT Mach Two 11" 225W Dual Puller Fan with Top/Bottom Flange Reviewhttp://tinyurl.com/nfuco2c Maradyne MM22KT Mach Two 11" 225W Dual Puller Fan with Top/Bottom Flange Shroud provides maximum airflowRubber seal eliminates vibrationGlass filled nylon construction2760 CFM; 22 ampere