Reduces filters by 75% of original size, and removes 95% of the free-flowing oil so it can be recycled. Crushing chamber accepts filters 7 1/2" tall x 5" diameter. Only one moving part, a 1 1/2" shaft. Includes safety door- crusher will not operate if door is opened. Cycle time of 5 seconds. Air requirement of 125- 174 PSI. Air regulator is not beeded. All parts in contact with air are rust proof. Size: 30" high, 12" wide, 12" deep. Lifetime warranty on housing, one year limited on all other parts. Wall mounting brackets included. 12" flexible drain house included.