Buy Compressed Air PurityPlus® offers compressed Air, a colorless, odorless, nonflammable gas, in a variety of concentrations and purities. Uses for compressed air PurityPlus® air options, Zero Air and Ultra Zero Air, are the optimal selections for baseline calibration. These mixes are available in compressed air tanks and are not comprised of specially filtered air, but rather are blends of extremely high purity oxygen combined with the equivalent purity nitrogen. The total impurities found in our PurityPlus® air reach as low as one part per million, with certain impurity analyses reaching as low as 100 parts per billion. Where to buy compressed air If you are in search of trusted supplier of pure specialty air gases in your area, contact your local PurityPlus® Distributor by using the Locate Your Nearest Provider tool, or give us a call at 877-81P-PLUS (877-817-7587). PurityPlus also provides a Compressed Air SDS available via this link or in the sidebar.