Use this John Guest bulkhead fitting on the end of your tote to stabilize the connection between your tee and your spray head. This 1/4″ bulkhead union comes in a pack of 10.
Using The John Guest Bulkhead Fitting Is Highly Recommended
You don’t absolutely need to use a bulkhead to connect between your tees and your misting heads but I would recommend that you do. It will give your set up more stability and the tote walls themselves are not very thick so a bit of added strength is a good thing. You also may develop leaks without it.