Pentair GW9500 Kreepy Krauly Great White Inground Pool Cleaner Automatic in-ground pool cleaner. SmartTrac Programmed Steering easily navigates around pool obstacles for uninterrupted cleaning. Adjustable to ensure the most effective cleaning Vacuum port door fitting has a spring-loaded cover for safety Cleans gunite, fiberglass, vinyl, and other specialty surfaces in a 15-inch path Unique turning mechanism allows escape from difficult areas