Bung Adapter, Adapter Material High Density Polyethylene, For Container Size 5 gal, 15 gal, 30 gal, 55 gal, For Container Type Drum, Pail, Bung Connection Dia. 2 in, Adapter Connection Type 2 in Buttress Female x 2 in NPT Male, Max. Operating Temp. 150 Degrees F, Min. Operating Temp. 0 Degrees F