The Aqua Clear self-centering swivel stem adapter adjust to undergravel filter stem positions from 3/4" to 1 1/8". The included hose connectors allow for quick and easy connections to protein skimmers, spay bars, and other accessories.
http://www.aquariumguys.com/aquaclear21.html
I think that's what your look for.
http://www.aquariumguys.com/aquaclear21.html
I think that's what your look for.
