* Ideal for oil ring bearings, ball and roller bearings, wick-feed bearings, small    sumps, etc. * Adjustable for oil level. * Eliminates risks and hazards inevitable with old-fashioned oiling methods. * Maintains cleanliness and prevents dirt entering bearings. * Shows at a glance the state of the oil. * Automatically maintains correct and constant oil level in the bearings, etc. * Reduces bearing wear and maintenance costs. * Eliminates spilling and guesswork when topping up. * Prevents slopping over due to back surge. * Can be quickly drained and cleaned without disconnecting.