Problems with mitysleevs on the mityvacs

Pontius2000

New member
So, I ordered a MityVac. The original silicon mitysleev was the right size, but was so flimsy it ripped on the very first use. So I paid $20 for a replacement. The replacement is a totally different design that does not fit properly around the bottom of the tube. So as soon as I start pumping, the whole thing gets sucked into the tube. Is there not a way of getting one that actually fits The tube? Its Just very aggravating to spend this much money on a seemingly good product that I can’t get any satisfaction out of because of the design of what’s probably the cheapest component of the whole thing
 
The pics show the side by side size comparison. The second one shows the one (the ripped one) fits, and the third pic shows how the replace,ent doesn’t fit right
 
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