Schulz of America 2 1 2" NPT FS 0925 (Grade) 923 CFM @ 100 PSI STD Carbon Coalescent Filter 60"(W) x 27"(H) x 35"(D) Working temperature 27°F ( 5°C) – 52 1118 Working temperature 27°F ( 5°C) – 82°F (50°C) Drive system Belt Drive Balancing modes Dynamic Static 3 Alloy Top positioning weight locator Standard Inside & outside measuring Standard Millimeter inches selection Standard Ounce gram selection Standard Wheel offset distance setting Manual Self calibration function Standard Auto start Standard Wheel spin braking Automatic Electronic Wheel holding manual brake pedal Standard Centering cones included 3 Standard 1 truck Wheel calipers Standard Rear cone mount spring Standard No mar rear cone mount pressure cup Standard Quick release & mount hub nut Standard Shipping Weight 412 lbs Plunger bore 20mm Compressed Air Maximum Temperature = 158 °F Ambient Maximum Temperature = 113 °F Minimum Operating Temperature = 33 8 °F Filtering Element Material = Borosilicate and Activated Carbon Housing Material = Aluminum Viton O Rings