Green Leaf TF050 Bulkhead Tank Fitting with Gasket 1/2 in FNPT EPDM/Polymer

Left hand external thread and nut, FPT internal thread, for use with tanks having a wall thickness of 1/16 to 1/2 in. Polypropylene body and nut, polyethylene friction washer, EPDM sealing washer. The tank fittings are non-food-grade.