Camco Rhino Blaster RV Tank Rinser with Backflow Preventer RV Accessories for Toilet and Waste Tank Cleaning - Essential Camper Supplies for Odor Control and Sensor Maintenance - (39080) Visit the Camco StoreEffortless Tank Cleaning: Keep your RV black tank, camper sewer hose, and tote tank clean with the Rhino Blaster RV Waste Tank. This tool ensures accurate sensor readings and prevents odors and clogs, making this RV accessory a top camper must have Visible Results: With its clear 45 elbow, this RV tank cleaner allows and real time monitoring of your tank's cleaning process, ensuring a thorough rinse of your tank every time. It's a simple yet effective