8 x 2” NATIONAL MECHANICAL TEE THREADED (ST.16)
8 x 21/2” NATIONAL MECHANICAL TEE THREADED (ST.16)
8 X 3” NATIONAL MECHANICAL TEE GROOVED (ST.15)
8 X 3OD NATIONAL MECHANICAL TEE GROOVED (ST.15)
8 x 3od” NATIONAL MECHANICAL TEE THREADED (ST.16)
8 X 6” NATIONAL MECHANICAL TEE GROOVED (ST.15)
8” X 21/2” NATIONAL MECHANICAL TEE GROOVED (ST.15)
8x 1” NATIONAL MECHANICAL TEE THREADED (ST.16)
