Description The Husky 007635 Leak Guard Sightglass Tank Gauge Key Features For use with oil, waste oil, diesel fuel, antifreeze and other fluids with a high flash point Large glass 4 window display Highly visible orange indicator with UV inhibitor 2” NPT and BSP 1-1/2” NPT and BSP Nickel-plated brass chain. Field adjustable to 72” from top of tank (Model No. 010002 and 014287 have 120” extended chain available) Aluminum float