Kaboom Scrub Free! Continuous Clean Toilet Cleaning System with OxiClean is the easiest way to keep your toilet sparkling just attach the device and start flushing! Our powerful bleach-based formula takes over the job of scrubbing the toilet bowl. It does the hard work and you get to ditch the dirty brush, plus, its safe on septic systems and won't harm toilet parts. All thats left to do is step back and enjoy the satisfaction of knowing your toilet is clean and keeps being cleaned every time you flush even under the rim! The Kaboom Scrub Free! Continuous Clean Toilet Cleaning System with OxiClean includes one device and two refill pouches, each lasting up to three months for up to six months of continuous cleaning. At Kaboom, weve always been passionate about providing the best possible bathroom cleaning experience, our products are specially formulated to provide a clean you can see!