R/O Tubing Float Valve Holder For Any Aquarium

All the other ro tube float valve holders online seemed to be meant for “rich people glass” and not “box store glass with rims” although this model will work with either.

I use the float valves from zoro, listed here
https://www.zoro.com/kerick-float-valve-and-float-wadjustable-arm-ma252/i/G2756415/