Camco Rhino Tote Tank, Fill Gauge #39012

Rhino's 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 is easy to install  and attaches to standard garden hose male fittings (¾-11.5 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 ½-inch diameter and is  approximately 3-inches tall (when installed).