Camco Rhino Holding Tank Cleaner Drop-INs - 6-Pack [41560] Brand_Cannon A: (inch) 1-21/32" / (mm)

A: (inch) 1-21/32" / (mm) 42

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8 gallons (71

Small Size (50 Series) is 112mm (4

Camco Rhino Holding Tank Cleaner Drop-INs - 6-Pack [41560] Brand_Cannon A: (inch) 1-21/32" / (mm)Rhino Holding Tank Cleaner Drop INs 6 Pack Camcos Rhino RV Holding Tank Cleaner Drop INs contains a powerful enzyme complex that helps clean your RVs black water holding tank. Just (1) Drop IN treats up to a 40 gallon tank. Cleaning your holding tank regularly helps keep tank sensors functioning efficiently and keeps unwanted smells at bay. These easy to use Drop INs are pre measured and safe for all septic tanks. This product does not contain