Thread x Thread
1-1/4" x 4"
Used to properly connect different metal piping
Prevents the deterioration of the pipe connections and stray induced electrical currents
ASTM A-53 Galvanized steel schedule 40 nipples available in thread x thread, groove x groove, and thread x groove.
Meets ASTM F-492-95 and are temperature rated 110 C. / 230 F.