The Rhino RV Tote Tank Gauge helps prevent overfilling and potential spills by indicating when your tote tank is reaching capacity. This universal gauge works with most tote tank brands. It's easy to install and attaches to standard garden hose male fittings (3/4-11.5 NH threads). Once attached, the gauge allows your tote tank to vent while filling or dumping. When transporting your tote tank, you can close the gauge to seal the tank. This polymer gauge has a 1.5" dia. and is approximately 3" tall when installed.• Helps prevent overfilling and potential spills by indicating when your tote tank is reaching capacity• Works with most tote tank brands• Attaches to standard garden hose male fittings (3/4-11.5 NH threads)• Allows your tote tank to vent while filling or dumping• When transporting your tote tank, the gauge can be closed to seal the tank• Measures 1.5" dia. x 3"H• Made of durable polymer Attaches to a standard garden hose male fitting Allows your tote tank to vent while filling or dumping Gauge can be closed to seal the tank when transporting | Camco Rhino RV Tote Tank Gauge