Evolution Aqua Sight Glass with Single Union Ends

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These 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 goin g 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 Code Description U40-050 5060088873700 Sight Glass, 1-1/2" Union Ends U40-063 5060088873717 Sight Glass, 2" Union Ends Show more