bexplosive said:The 16 oz sport bottles are smaller and much easier to fit in water fountains and sinks. Keep that in mind when you order. Plus it comes in the family pack, so you get the free bottle!
This is very true. I didn't think about it when I ordered my 27 oz bottles, but I have had one experience with a fountain that didn't have enough room and/or pressure to fill it. It's only happened the one time, but just something to keep in mind.