You don't need a compressor to operate these very modern wax injectors from Italy. Available in 2 sizes, they are constructed with aluminum tanks and 2 heating elements to assure rapid and uniform heating. Sensitive and reliable temperature controls with digital read-outs regulate heating. Beautifully finished, each injector is furnished with a hand pump, pressure gauge, and 3 interchangeable nozzles to conform to different styles of sprue formers. Choose between 1.5 quart and 3 quart models, both 110 volts. Made in Italy.