4" x Close Black Pipe Nipple Butt Nipples material: Black Malleable Iron connection:

material:   Black Malleable Iron connection:   Threaded Thread Type:   Female Features:   Meets or exceeds all applicable ASTM and ANSI standards   100% pressure tested before leaving the factory   Schedule 80 - 300 psi

and Vent Pipe

material:    Copper connection:    Sweat Features:    DWV    Made in the USA    Lightweight and Strong    IAPMO approved    ANSI approved

Installs at 80 pounds

9 (except Wall) and MSS SP-43   Manufacturing facility is ISO 9001:2008   Independent lab verification that fittings meet applicable chemical & mechanical properties >

4" x Close Black Pipe Nipple Butt Nipples material: Black Malleable Iron connection:material: Black Steel connection: Threaded Thread Type: Male Features: Meets or exceeds all applicable ASTM and ANSI standards Made in The U. S. A.