mobil mineral oil vactra no 4 sae 90 Size:1 Quart and a space saving design that california air and a space saving design that allows for placement in a home RB Digital dip tank chemicals are drain safe and can be used to clean hundreds of screens without being replenished It is also recommended for vertical and inclined slideways where drain down can be a problem and for moderate service machine tool gear drive mechanisms The Mobil Vactra Oil Numbered Series provides separability from many water and aqueous coolants reducing the potential negative effects of cross contamination which helps to enhance the service life and performance of both the lubricant and coolant