Use this large capacity floating cool shark chemical dispenser to keep your pool clean. Use this floating spa dispenser that will keep your water healthy and fresh. It is designed to simplify your pool maintenance process and allow you more time to enjoy your swimming pool. Details:Gray and white shark1" x 8" x 13"Holds 3 lb. of 3" chlorine tablets (not included)Adjustable flow rateHeavy duty constructionChemicals not includedPlasticSuitable for outdoor use