I have for sale a Quantitative Filling Machine that was purchased for filling lotion bottles and never used. It has been sitting in our warehouse now for about 5 years and is as close to new as it can be while still being a tiny bit dusty. This unit is 110v and has a foot pedal to control the flow rate, it also looks like it has an air connection to control the piston for filling the bottles but I haven't used it so I can't give you specifics. If you look at at the name plate you can see the manufacturer and can actually them up for sale brand new online for between $300-500 so this unit for sale at $175 is a steal.
If you are interested please email me with the email title "lotion filler" to weed out spammers and ask me any questions you may have or come and take a look at it before purchase.