Anvil 1 In. Ground Joint Malleable Black Iron Union HandyMark Chlorine and hard water resistant

Chlorine and hard water resistant flapper for a long lifespan

3 filter bags per package

or in the backcountry

An 8 panel kit insulates 1 garage door that is up to 9 Ft

Durable blue finish is easy to see on the job site

Anvil 1 In. Ground Joint Malleable Black Iron Union HandyMark Chlorine and hard water resistantMalleable black iron pipe fittings. Black finish resists rust. National Pipe Threads for creating tighter seals than straight threads. Fed. Spec. WW P 471 B, ANSI B 16. 14 (Dimensions), ANSI B 2. 1 (Pipe Threads), Ferrous Plugs, Bushings, and Locknuts, Fed. Spec. WW P 471 B, ANSI B 16. 14 (Dimensions), ANSI B 2. 1 (Pipe Threads), Malleable Iron Unions (Class 150), Fed. Spec. WW U 531C, ANSI B 16. 39.