If you are looking for cool fresh air to breathe, lightweight and portable, quiet operation and affordable, then look no further than Hobbyair respirator! The Hobbyair allows only fresh air to enter your lungs with positive pressure half facemask with beltline hookup· It is very easy to use, simple snap together fittings. The best thing is – no other system offers so much protection at such an affordable price. Visit us at AutoBodyStore.com. Look no more!