Float Valve, Top-mount,  part no. FV-15.
Bobby Float Valve Assy RM292-P-N Top Mount 1/4 COM 7/16-24 UNS CELCON BRASS NSF USA

This is a brand new float valve, made in USA, very high quality

It has a polypropylene float and stainless steel arm and connector.  It is good for any size tank, such as, large trash can type container, plastic container.

The connector is a 1/4" compression fitting for 1/4 tubing

Since the arm and connector are made of stainless steel, it is very reliable and durable.

Easy installation:  It comes with side mounting lock nut and washer.  Just drill a 5/8" hole on top of your container and insert the connector though the hole, then screw on the lock nut.

Dimension:  The float is only 3 inches long and 3/8" diameter, and the stainless steel arm extends about 1.5" down.  Overall dimension is about 5" x 4"

** We also carry side-mount float valve, it can be mounted on the side of the tank, same price, part no. is FV-14