Midland Metal 76404 3-1/2" Diameter, Aluminum Nipples, 3-1/2 x 4-1/2 Alum Nipple, Nipples and Fittings

Pipe Nipple, Connection Size 1: 3-1/2 in, Connection Type 1: MPT, Connection Size 2: 3-1/2 in, Connection Type 2: MPT, 4-1/2 in L, 3-1/2 in Dia, Aluminum, Additional Information: 0.940 lb Weight