sagalout
Well-known member
I have tested this idea and it works with expanders. This is the pump https://www.youtube.com/watch?v=joyODF4sMu0
and here is a cheap source of said pump 2x Hypodermic Sealed Sterile Disposable 50ml Syringes | eBay
and here is a cheap source of said pump 2x Hypodermic Sealed Sterile Disposable 50ml Syringes | eBay