ITEM NAME:Air Compressor Switch Precision Voltage Regulator Sealed Red V-Ring Pistons New 100% brand new and high quality Features: Compact shape and light weight Use V-ring pistons sealed, good sealing effect, abrasion resistant, stable Piston structure, larger flow, more than traditional diaphragm about 30% The valve body structure with overflow port, can improve the depressurization speed High precision voltage regulation and sensitive reaction Easy to install and use Color: Metal colour Quantity:1pc 1 x Air Compressor Switch.Piston structure, larger flow, more than traditional diaphragm about 30%. Use V-ring pistons sealed, good sealing effect, abrasion resistant, stable. 1 x Air Compressor Switch. The valve body structure with overflow port, can improve the depressurization speed.