3 x 2” NATIONAL MECHANICAL TEE GROOVED (ST.15)
4 X 3” NATIONAL MECHANICAL TEE GROOVED (ST.15)
4” X 21/2” NATIONAL MECHANICAL TEE GROOVED (ST.15)
5 X 3” NATIONAL MECHANICAL TEE GROOVED (ST.15)
6 X 3” NATIONAL MECHANICAL TEE GROOVED (ST.15)
6 X 4” NATIONAL MECHANICAL TEE GROOVED (ST.15)
6” X 21/2” NATIONAL MECHANICAL TEE GROOVED (ST.15)
6OD X 3” NATIONAL MECHANICAL TEE GROOVED (ST.15)
6OD X 4” NATIONAL MECHANICAL TEE GROOVED (ST.15)
6OD” X 3OD” NATIONAL MECHANICAL TEE GROOVED (ST.15)
8 X 3” NATIONAL MECHANICAL TEE GROOVED (ST.15)
