WATERPROOF IP67: 12 volt 120mm exhaust fan with IP67 technology,can be completely waterproof and dustproof,verified test to be submerged up to 0.5m for 4 hours. DUAL BALL BEARING: 120mm 2 pack high cfm fan with long lasting dual ball bearing up to 60000 hours over 6 years. 3000RPM & 88CFM: 120mm high speed fan with updated blade and motor design allow this to put out 88 cubic feet per minute with noise level of 46.5db A ,equivalent to the noise of nighttime in the suburbs or a standard kitchen f
