Seachoice - In-line Bilge Blower - 3" Hose - 41871 Spark proof. Blower meets or exceeds the following standards: ABYCH H-2, USCG 33 CFR Sections 183.410 and 183.425, ISO 8846 and 909, SAE J1171. Housing is molded, tough corrosion-proof ABS plastic. Rugged built-in mounting brackets for easy installation. Molded tabs on all hose flanges provide positive hose connections. Ignition protected. Spark proof. 18 gauge marine-grade tinned wire. Features: 3" Intake 3" exhaust with remote bracket 5" length 3-7/8" mounted height CFM 170 air movement Ignition protected 12V DC Use 4 Amp fuse.