Description Frustrated with the annoying noise as water flows into your aquarium standpipe? Attempts have been made to solve this problem. Such as, PVC silencers which can be time consuming, messy and difficult to assemble and remove. The "Maggie Muffler" is a quick and EASY solution to this annoying problem! Features No cutting or gluing Can be installed in less than 30 seconds Easily removed for cleaning Innovative grid prevents snails from clogging standpipe Standard "Maggie Muffler" fits 1 1/2 inch standpipes Optional "Maggie Muffler" adapters are available to fit 1 and 1 1/4 inch standpipes