Reliance 3/4 NPT x 3/4 NPT x 2-1/2 In. Water Heater Dielectric Nipple (2-Pack)

2 Pack, Water Heater Dielectric Nipple, 3/4" Male Pipe Thread X 3/4" Male Pipe Thread X 2 1/2" Male Iron Pipe Length, For Water Heater Inlet & Outlet Hook Ups & Other Uses Where Dissimilar Metals Occur In Piping & Plumbing Systems, Thermoplastic Lining Prevents Corrosion.