On sale! (normally $26) The EK Vardar F3 140mm Extended Range (ER) fan is the ultimate choice for temperature control with a variable range of pulse-width modulation (PWM) active duty cycle. It is an impressive, industrial grade 140mm high-static pressure computer cooling fan that is designed and built primarily for liquid cooling systems. After being in development, analysis, as well as motor and anechoic chamber testing for over one year, this black Vardar F3 ER fan fits subtly into any liquid cooling setup without drawing too much attention, with up to 108CFM air flow while producing up to 40.7dBA at 2000RPM.