Product details 2000 Flushes Anti-Bacterial Blue PLUS Bleach Twin-Pack Automatic Toilet Bowl Cleaner, 7 Oz KILLS BACTERIA: 2000 Flushes Blue Plus Bleach is formulated with tough antibacterial agents that kill 99.9 percent of bacteria, keeping your toilet bowl sanitary and deodorized,LONG-LASTING CLEAN: 2000 Flushes Blue Plus Bleach continuously cleans your toilet bowl. Freshen your toilet bowl and keep the water crystal clear with every flush, for up to 4 months,TOUGH STAIN REMOVER: 2000 Flushes Blue Plus Bleach contains powerful chlorine bleach to keep your toilet bowl stain-free. Makes scrubbing easier by helping break down toilet bowl residue and stains,EASY-TO-INSTALL: 2000 Flushes Blue Plus Bleach makes cleaning your toilet quick and easy. Simply remove toilet tank top and flush toilet. Before the tank refills, drop the bleach tablet into the right rear corner of the tank,NO REMOVAL NECESSARY: 2000 Flushes Blue Plus Bleach tablets are easy to replace with no removal necessary. Simply add another bleach tablet to your toilet s tank when previous tablet has completely dissolved