Like the title says. What lift pumps out there are flow through? I got a friend asking me this all the time so i want to give him a answer I know PPE pump is.
PPE is hit or miss...I had 1 and it wasnt flow thru. My sister had 2, first one was flow thru, second one wasnt...
I know of 2 other PPEs that are not flow thru, and 1 other that is....