Goplus 3HP 2 Piston V Style Twin Cylinder Air Compressor Head Pump (Black) Sturdy StructureEquipped with an iron construction with cast cylinder sleeves, this pump head is designed for a long time use and is easy for maintenance. High Efficient WorkMax air delivery of 8.8 CFM, two mufflers with two high efficiency intake filters and V-style cylinder design for superior cooling, reduces moisture and extends the life of the air compressor pump. Oil Viewing WindowBy observing the oil viewing window, it can monitor the oil capacity inside the machine in real time, and control the amount of oil when you adding the air compressor oil. Smooth OperationThe proven belt driven design is great for excellent compression & smooth running. Recommended UseWith the high exhaust efficiency, low noise, smooth operation and less fuel consumption, its the best choice for you.