Jabsco 4" 250 CFM Flexmount Heavy Duty Blower - 12V 35770-0092. M.M.A Type Accepted Meets USCG Electrical Regulations to Title 33 Chapter I Part 183 Subpart I and ISO 8846 for Ignition Protection Complies with ISO 9097 Marine CE Conforms with EN 5008-1...