DC 250 CFM Flexmount Continuous Duty 4' Blowers Features: * Extended Life 5,000 Hour Motor * Tough Reinforced Thermoset Plastic Housing * Mounts To Any Flat Surface * Slip-On Inlet Ducting Connection * Efficient High Volume Air Flow * Low-Current Draw * Corrosion-Resistant Materials Throughout * N.M.M.A. Type Accepted * Meets USCG Electrical Regulations of Title 33 * Chapter I, Part 183 * Subpart I and IS0 8846 for Ignition Protection * Complies with ISO 9097 Marine * CE Conforms with EN 5008-1 for Supression of Electro-magnetic interference Warning [https://productimageserver.com/prop65/6pt.png]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 [http://P65Warnings.ca.gov].