Lysol Power Plus with Active-Shield cleans and repels stains for 100 flushes. The Active-Shield Technology is a non-stick layer that repels stains for a clean that lasts longer vs. Lysol Power Toilet Bowl Cleaner. Each cleans lasts 100 flushes. The thick formula powers through toughest toilet stains in seconds and destroys toilet bowl rings. The angled bottle targets hard-to-reach areas, including under the rim, to leave your entire toilet bowl sparkling clean, deodorized and sanitized. To clean and disinfect/sanitize: Flush toilet before cleaning. Apply 4oz. to coat the bowl including under the rim. Do not close lid. Let it sit for at least 10 minutes and then brush entire bowl to wet surfaces thoroughly, including under the rim, and flush. Rinse brush in fresh water after use. Repeat if necessary.