All it takes to remove stains is a little brushing and a little flushing with my Duck® Fresh Brush Flushables toilet bowl cleaner pads. Simply wet the pad with toilet water to activate the in bowl toilet cleaner, scrub the bowl and flush the pad. So, let's review: just brush, flush and say goodbye to stains and bathroom germs. And then give a big quacking hello to a great scent. Getting your toilet clean and smelling fresh isn't rocket science, it's Duck® Science. Package contains 12 Duck brush refills only. Also available in starter kit that contains storage holder, handle and 4 Duck flushable cleansing pads. . A duck toilet cleaner that helps to remove toilet stains with ease. Button on Duck Fresh Brush holder allows you to easily dispose and flush cleaning pads in toilet bowl. A toilet cleaner that provides powerful foaming clean action, alongside a fresh citrus scent when in contact with toilet water. Duck Fresh Brush Refill contains 12 Duck flushable cleansing pads. Duck.