Has anyone used one of these?
http://www.overtons.com/cgi-bin/overtons/order/pdetail.cgi?21664++
Or maybe this one?
http://www.liquidvac.com/
I wonder how well they work.
http://www.overtons.com/cgi-bin/overtons/order/pdetail.cgi?21664++
Or maybe this one?
http://www.liquidvac.com/
I wonder how well they work.