PROGRAMED RAMP UP: Set your temperature threshold on startup and rate of increase from compact a PCB.
QUIET WHILE LOW USAGE: Keep your cooling as unnoticeable as possible with a lower threshold of 17 decibels.
POWERFUL WHILE HOT: Compact 4" fans will ramp up to over 200 CFM when thermostat sensor detects significant heat.
LONG LIFESPAN: 67, 000 MTBF on each ball bearing fan backed with a 3 year warranty.