Particle Separator for Helmet

S&B helmet air pumper system gives you fresh clean air, all ride long. The system comes pre-assembled, so all you have to do is install the unit on your vehicle and connect it to your power supply with the included wire harness and rocker switch. You can mount the air pumper almost anywhere as long as it is mounted horizontally level with the scavenge exhaust fan pointing straight down.  Stay Cool with fresh air pumping into your helmet 99.36% of the dust from the air without the use of a filter No Filter to clog Comes standard with a variable speed controller Dual port outlets for 2 helmets (helmets not included) Important: Attachment straps and hoses are sold separately.