Automatic Toilet Bowl Cleaner Tablets, Bathroom Toilet Tank Cleaner (100 PACK), VA-T165

EFFECTIVE IN CLEANING - Effectively help you clean the tank, water pipe and other parts of the toilet. LONG-LASTING - Each toilet cleaner tablet lasts up to 15 Days (or 20 flushes daily), 100 tablets are for 50 months supply. HOW TO USE - DO NOT tear off the blue outer protective film, which is soluble in water tank directly. POINTS FOR ATTENTION - When the blue toilet bowl tablet dissolves completely, the blue will fade, a new toilet tank cleaner should be put into the tank. CONVENIENT AND EASY TO USE - toilet cleaner is convenient and easy to use.