1、 Compact construction, small volume, and ideal to be equipped with small size machine, easy mounting. 2、 Water and oil bowls are made of high quality aluminum alloy, safe and reliable, convenient to remove. 3、 with semi-automatic drain mechanism, auto drain while depressurization. Manual drain is available. 4、 Sensitive pressure setting, stable and reliable. 5、 15mm lubricator can be filled online, easy maintenance in production. 6、 Oil dripping rate is adjustable to satisfy different working conditions.