Clips worked as described.
Replacements for the one that got sent into the void
clip worked as needed
NU AQUA got me the missing clips quickly so I could finish the installation and start up of my system.
These things are just a little peace of mind to give you one less thing to worry about. They prevent any chance of the tubing working its way out. They are easy to take on and off when needed. They just work...and they get your order over the free shipping mark without spending too much.