The Krueger Level Gauge For 100 in Container is a mechanical level gauge designed for use with 100 inch tall containers. It features a stainless steel body and polypropylene float to provide chemical resistance. The gauge indicates liquid level on a clearly marked scale in 1/2 inch increments. It has 3/4 inch NPT mounting that allows it to be screwed into a tank fitting. This heavy duty mechanical gauge is ideal for use with water, wastewater, chemicals, petroleum products and more. Made in the USA.