DescriptionFrustrated 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!FeaturesNo cutting or gluingCan be installed in less than 30 secondsEasily removed for cleaningInnovative grid prevents snails from clogging standpipeStandard "Maggie Muffler" fits 1 1/2 inch standpipesOptional "Maggie Muffler" adapters are available to fit 1 and 1 1/4 inch standpipes