This lightweight. easy-to-use crimper provides lab-scale or small-production- scale performance at a moderate cost, filling the gap between hand-operated machines and fully automatic equipment. They operate on standard laboratory air supply of 45 to 60 psi. Bottles and aluminum seals are automatically aligned to eliminate partially crimped seals. Exhaust air is passed through the foot-operated valve so the crimper can be used inside a sterile hood. A complete unit consists of a crimper. a toot value mounted on a base plate, and connecting tubing and fittings, all packed in a polyethylene storage case, a stand (available separately) supports the crimping jaws about 10" (26 cm) above the benchtop so both hands are tree to manipulate the bottles. The heavy metal base has nonskid rubber feet. 1 year warranty.