Cheapest place to order rat drinking valves??

I found a few sites that sell the 3/16" valves for almost $4. I can get large water bottles for less than that. I am paranoid as it is when having to trust watering systems. Are there any cheaper ones out there of similar quality. I went to agselect.com, any others?

I don't use them but majority of the people I know have purchased rodent watering systems from rich @ reptile basics. I have purchased various items from him over several years and I know he is legit, if you had questions regarding drinking valves he could def. help. Www.reptilebasics.com

I just ordered a watering system from Reptile Basics, everything except the tubing, since it was cheaper at the pet store, and the bucket, since I had an old laundry bucket I used. I spent a lot of time looking for the best prices, and RB was the cheapest when you factor in shipping. I got the 'Rodent Drinking Valve' for $2.95 apiece, and they seem to working just fine.

In the long run, it's going to save you a lot of headache, since you won't have to be filling water bottles every other day.