4" x 2-1/2" Schedule 40 Stainless Steel Weld 304/L Concentric Reducer Nipples 4 Class 125 NPT threads

4 Class 125   NPT threads on fittings conform to ASME B1

Stocked in size:s 1-1/4" - 6" both regular and reducing

From this iron

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

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

4" x 2-1/2" Schedule 40 Stainless Steel Weld 304/L Concentric Reducer Nipples 4 Class 125 NPT threadsmaterial: Stainless Steel connection: Butt Weld Features: Stainless weld fittings conform to ASTM A403 Grade 304 304L & 316 316L,ASTM A960, MSS SP 43i Stainless weld fitting dimensions conform to ASTM B16. 9 (except Wall) and MSS SP 43 Manufacturing facility is ISO 9001: 2008 Independent lab verification that fittings meet applicable chemical & mechanical properties