The Dual Function Bottle Filler, with an outer diameter of 3/8", can be used with the included spring or you can go springless. It disassembles for easy change and cleaning.

Cleaning Tips for Stainless Steel Spring:

-Don't use chlorine or any sanitazing solution that contains chlorine.
-Don't forget to rise, residue from cleaning solutions can stain or damage the finish.
-Towel dry the product after rinsing.
-Gritty or hard water can stain the product.

Maximum Temperature: 60 °C (140 °F).