I bought one for church but only used it once. I find that it ONLY works when the bottle is full (inner tube doesn't reach the bottom) we're a small church and have only 10-15 people, no use filling even 1/2 bottle with juice.
Our Altar Guild has several options for filling communion cups. This was just a new version that I had never seen before. The only thing was the hole at the filling end was a little small, so I had to cut the end to make it work better. It was worth the price.