ELGI AB37V Oil-Free 50 HP Screw Air Compressor with Mikropor Refrigerated Air DryerWith the ELGi AB "Always Better" series, we bring you a disruption in oil free compressed air technology. Every ELGi AB series customer across the world is assured of zero risk of contamination in the compressed air. Our customers are assured of guaranteed emission reduction while ensuring class zero air, free of oil residue, at all times.Specifications: -- Horsepower: 50 -- Working Pressure PSIG: 100-150 -- Outlet Connection: 1-1/2" NPTIncluded: -- Mikropor Refrigerated Air Dryer - MK-US-250 -- 240 Gallon Tank + Kit: -- WaterHog Pneumatic Zero Loss Drain LH50-OLAAWCompressor Equipped with: -- Variable Speed Controls -- Two Stage Air Filtration -- Advanced Neuron III Controller -- Industrial Sound Enclosure -- Robust Cooling System -- Elimination of Oil Cooler with Water Injected Rotor Screws -- Three Stage Water Separation -- Low Operating Temperatures -- FDA Approved SS with Corrosion Protection -- Closed Loop Water Circuit -- Food Grade Approved Anodized Aluminum Housing -- Double Gear Case Design, Both Ends of Screw assembly -- Precision Machined, Hardened, Gear Case Gears. Balanced to ReduceRefrigerated Air Dryer Specifications: -- Air Cooled Refrigerated Compressed Air Treatment Package - With Integral Preand After Filters -- Air Quality ISO 8573.1 Class 1,4,1 Package -- 1-micron Particulate On Board Pre-Filter Included (GKO-US 700MX) -- 0.01-micron Coalescing On Board Post-Filter Included (GKO-US 700MY) -- 250 scfm Rated @ 40°F Dewpoint -- Performance Based on Customer Site Conditions -- Performance Based on 100°F Ambient Temp/100°F Inlet Air Temp/100psig -- 1.8 psi Pressure Drop Across MKUS-250 -- Reduces Air Compressor Energy Operating Costs -- R-134A Refrigerant