Flush 'N' Sparkle, Toilet Bowl Cleaning System, Cleanses Toilet Bowl With A Metered Amount Cleanser Released With Every Flush, Comes With Dispenser, Cleanser Cartridge, & 2 Flexible Refill Tubes With Clip & Adapter, Dispenses Only To Bowl Through Refill Tube Assembly, Cartridge Lasts Up To 90 Days, Fits Most 2 Piece Toilets, Uses #8102P10 Refill Cartridge, 5 Year Warranty.