Yellow Jacket vacuum pump oil is specially refined and formulated for extremely low vapor pressure and high pump efficiency at all temperature conditions. This means that with proper maintenance you can get a continued return on your pump investment.
1 pint (16 oz)
Posted by Dan Albert on 2nd Sep 2014
The oil is fine. I ordered 4 bottles and one was shipped without the small red cap on the tip. I ordered these 4 bottles to be reused by refilling from a gallon. For this reason, the top red cap is important to me. I have 1 bottle now without a cap where moisture and dirt can get in. Not good.