Heavy Duty Flexmount BlowerAC 250 CFM Flexmount Continuous Duty 4" BlowerFlexmount Blowers are built to the same high specification as the Heavy Duty Flangemount Blowers for use as air intake or extraction systems in engine rooms, fuel compartments, galleys or heads.Extended Life Induction MotorTough Reinforced Thermoset Plastic HousingContinuous duty motor with thermal overload protectionFlexmount universal bracket permits outlet to face any directionSlip-On Inlet Ducting ConnectionEfficient High Volume Air FlowLow-Current DrawCorrosion-Resistant Materials Throughout5,000 hr motor life for teh heaviest of applications.WARNING: This product can expose you to chemicals including NICKEL (METALLIC) which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.