Hatzco Industries manufactures heavy duty, industrial air blowguns. There are many variations of each style that will allow you to customize your blowgun to the specific job requirement. The "XP High Volume" model has a 1/2" 170cfm at 100psi inlet with a heavy duty forged aluminum or optional bronze body. Nozzles lengths up to 48" are available with either a standard or OSHA discharge tip. The standard "BP Bang Pruf" has a hefty forged body and metal to metal seat. It contains no springs or disc. The simple and sturdy construction means you will have years of service life. It features 1/4" or 3/8" NPT inlets and multiple configurations. The "DS Air & Liquid" model is a heavy duty air blowgun for atomized spray of thin solutions with an operating pressure of 25 to 100psi. All items are made in America.