UTV INC’s 2 Person Fresh Air Helmet Pumper System is designed to clamp on to almost any tube, in any direction, and provides an adjustable volume of fresh air pumped into your helmet, without a huge amp draw. At full speed this system will draw approx. 3.5 amps. The pumper system has clamps available in 1.25”, 1.5”, 1.75”, 1.85”, 1.875”, 2.0”, and 2.50” OD, please make your selection below. System includes a quick release wiring harness, which has a 5 amp inline fuse already, so simply hook it up to power and ground. This kit is fully contained and will be controlled on the body with the adjustable speed knob on the side. No extra switches, controllers, etc. needed. Housing, clamps, arms, and speed control knob are all machined from 6061 T6 billet aluminum. 100% made in house at UTV INC. Proudly American made. This system includes the K&N filter, and K&N outwear as well. The filter can be cleaned, and reused for many trips without having to replace it.