2 Pack of 12" Brushless Fans, 67034 x2. PROFORM's new brushless motor electric cooling fans deliver more CFM than than the competition for MAXIMUM COOLING. These Brushless fans are lightweight, low-profile, no amp spikes, and create cooling unlike anything out there. The best part is, it's totally universal and designed for 12 volt systems. Not fancy engine specific controller required, just wire up the (+) and (-), and you're ready to good. Soft start ramp up prevents amp spikes. This is strictly a puller fan and is not reversible. Prevent overheating in stop-and-go traffic, designed to fit the most popular cars and trucks, frees the water pump pulley for more RPM, installs in minutes with simple hand tools. Thin design to fit cramped locations. Reinforced glass filled polypropylene blade and plastic housing for minimized weight. Nylon tie mounting kit included.