Maintain a clean and fresh toilet effortlessly with the Sweet Lu Automatic Toilet Bowl Cleaner for Toilet Cistern. Available in Blue or Clear, this cleaner suits any Cistern style. Choose between Standard and Slimline sizes to fit your cistern perfectly. With every flush, Sweet Lu releases a powerful cleaning formula to help prevent stains and eliminate odors. Available at Crystalwhite Cleaning Supplies—shop online or visit us in-store.