Pentair K70405 Kreepy Krauly Classic Inground Automatic Pool Suction-Side Cleaner for Vinyl, Fiberglass and Tile Pools Our patented design and rugged construction have been put to the test in more than 1.5 million pools Only one moving part for long, dependable service KREEPY KRAULY works when your pool pump works, using your pool's existing filtration system This model is for Vinyl/Fiberglass/Tile ONLY