About this itemENVIRONMENTAL RESISTANCE: IP68 design technology allows this to be completely dustproof and waterproof (rated to be submerged up to 0.5m for 10min).HIGHER AIRFLOW/LOWER NOISE: Updated blade and motor designs allow this to put out 106 cubic feet per minute with a noise level of 43.2db. That\'s equivalent to the ambient noise of nighttime in the suburbs or a standard kitchen fridge. Padded corners help dampen any vibration noise when mounting.LONG LASTING: Dual ball bearings give a long projected lifespan of up to 50,000 hrs--that\'s over 4 years. Backed by manufacturer with a 1 year warranty.STANDARD CONNECTOR: Standard 3 pin native connector allows for easy adaptability with many systems. Contact us if you need to determine which is the positive, negative, or tachometer (speed sensor) wires as they\'re all painted black.