The Emax industrial plus 7.5 HP Large Vertical air compressor with silencer features a 2-Stage, piston-series cast iron pump with dual-control design allows for automatic or continuous run rated at up to 50, 000 hours based on B-10 bearing life rating. The cool-teak feature ensures that these are the coolest-running compressors in the industry (with 35 % lower operating temperature which reduces moisture build-up and extends pump life.) the ram-teak solid steel, heavy-gauge rods are built for maximum performance and durability, while the flow-teak concentric disc valves deliver maximum performance and longevity. Other features include a solid cast iron crankcase with oil sight glass, A belt tension adjuster that has fast, easy, one-turn way to tighten belts which reduces vibration and extends belt life, Built-in head unloaders, premium "non-absorbent" Gaskets to prevent oil seepage from pump, top quality compression and oil rings and more! This system truly delivers big air with little noise! This 1-phase, 80-Gallon air compressor offers super-quiet low RPM; It dissipates compressor intake noise by channeling the intake air through a series of baffle plates and pre-filter media Within the silencer cabinet. As a result, the piston intake noise is trapped and dissipated within the silencer structure. This compressor comes in the iconic Amax Yellow color and includes a three-year warranty. EMAX combines more than 38 years of experience With the latest technologies to deliver the highest-quality compressors. EMAX Compressor tools and equipment delivers overwhelming performance to ensure they meet the needs of even the most demanding environments. All products are designed with exacting tolerance and specifications to deliver all the power that is needed at the jobsite, garage or the shop for extreme performance.