Air Blower 1000 In-Line 250 - 12V7″ in-line mounted marine ventilation 12V axial blower with capacity 1000 m3 per h, 589 CFM. 178mm port connection and 250mm length.Sheltered blades from blower housing interference at tough installation. Compact 5 blade design to maximize performance. For continous duty. 7A fuse.Interchangeable with Vetus Vent17812A.Features:Weight: 1.4 kg/3 lbsDimensions: 250/9.8L x 220/8.7H x 178/7W mm/in Type: 7" In-LineCertification: CE marked ISO 9097:1991 Marine (small craft electrical fans), ISO8846 1990 (ignition protection), ISO 10133 2000 (electrical systems), EN55014-1 2006 (2004/108EC)