Protechnic 40mm IP68 Waterproof Fan MGA4012HB-O20 IP68 12VDC 8.43 CFM Waterproof / dustproof IP68 fan Model# MGA4012HB-O20 Air Flow: 8.43 CFM / Pressure: 0.251 inchH2O / Noise: 33.3 Power Input: 12V DC, 2 bare wire