This pump has a 38/400 finish and pumps 8 ml per full stroke. It is a perfect match for our 4 litre jugs of Lemon-Guard concentrate, helping to get concentrate into a spray bottle without tipping, pouring and possibly spilling product.
It also works very well with our 4 litre jugs of WHO#2 Hand Sanitizer. 8 ml is perfect for a thorough disinfection of the hands. This pump does not drip after you dispense, like some higher capacity pumps might.
Take the jug cap off, unlock the pump cap by twisting it, then insert pump and dip-tube into the 4 litre jug.