Vacuum Pump Oil Filter

I uses a vacuum canister to dry my filament. It works so awesome.... Better than the oven or a dehydrator.

But there is a tad bit of oil vapor that can come out of the exhaust for the pump.

This filter catches the vast majority of the oil. And then when the pumps off, it runs back down into the pump. No need to do any modding to the little cap. Just glue it on.

As a side note: If you are getting an excessive amount of oil blowing out, you have a leak some where. It shouldn't be that bad really. I normally barely get any. But this takes care of that little bit.

Clean and dry and get all the oil off the cap. Glue the body to the exhaust. I really glue it just to make sure it's sealed. This is the only thing to glue, nothing else needs it.

Put the baffle inside the body. Not on edge... It's to stop the Poly fill from going back into the pump...

Fill the rest of the filter with Polyfil. This is what I use from Walmart. I have fish tanks that I use it in the filters, so I