Power: 36W * Suitable for pond sizes up to 9250 gallon * For use with pumps up to 1188gph * Lenght: 49cm / 19.1" * Voltage: 110-120V * 36W UV Bulb Included * Three Stepped Hosetails Supplied * Separate Ground-glass Viewport Included to Replace a Hosetail if One-in / One-out use Required * Wall Mounting Bracket Attached to the UV Light complete with Screws * Easy Unscrew-release for Bulb / Quartz Glass Maintenance * Suitable for Marine and Freshwater