4" PVC Schedule 40 Coupling Deep Socket size_4-3/8" material: Black Malleable Iron connection:

material:   Black Malleable Iron connection:   Threaded Thread Type:   One Male & One Female Features:   Meets or exceeds all applicable ASTM and ANSI standards   100% pressure tested before leaving the factory

The threads have an accurate form

All Ward black & galvanized Class 150 Malleable Iron Fittings having outlets ranging from 1/2€ through 4€ are air tested at 80 psig

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

UPC approved

4" PVC Schedule 40 Coupling Deep Socket size_4-3/8" material: Black Malleable Iron connection:Fittings are made from Poly (Vinyl Chloride) (PVC) and used for Plastic Drain, Waste, and Vent Pipe.