Evolution Aqua Sight Glass with Single Union Ends Size:1-1/2" Sight Glass with Single Union Ends and fully adjusts in any

and fully adjusts in any direction

and are available in sizes from 10 Watts to 40 Watts

Easy to install and operate

Mineral Premix (Calcium Carbonate Flour

Evolution Aqua Sight Glass with Single Union Ends Size:1-1/2" Sight Glass with Single Union Ends and fully adjusts in anyThese sight glasses from Evolution Aqua allow you to see what is going on in your plumbing, making it perfect for bead filters and other self cleaning pond filters. Instead of going to the drain pipe output, you can easily see when your water is running clear. Simply cut away a piece of the exit plumbing from your filter and glue this sight glass into place. The clear pipe allows you to see inside, while the unions make attaching quite simple. SKU UPC