4" x 3-1/2" Brass Nipple size_1-1/2" accurate threads are machined that

accurate threads are machined that comply with the precise standards developed by the Amerian Society of Mechanical Engineers (ASME) and published as an American National Standard

Allows for piping to run close to ceiling or walls

Material:    Brass connection:    PEX x FIP    Lightweight and Strong    ASTM F1960    NSF ASTM F877

1-1/2" BALL VALVE CPVC CTS SxS NSF

When using insulated pipe

4" x 3-1/2" Brass Nipple size_1-1/2" accurate threads are machined thatmaterial: Brass connection: Threaded Thread Type: Male Features: Lead Free Meets or exceeds all ANSI standards Stocked from 1 8" through 4" diameters Stocked from 1 8" through 4" diameters