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For private property, institutional and municipal fire hydrants, lead-free brass construction fire hydrant adapters and a cap with chain are now available in various sizes and threads. Adapters come in 2 versions: standard and swivel. Standard adapters are available in 5 sizes ranging from 21/2" FNST (female national standard thread) x 3/4” hose thread up to 21/2" FNST x 2” MIP (make iron pipe thread). Swivel hydrant adapters are available in 2 sizes: 21/2" FNST x 2” MIP and 21/2" FNST x 3: MIP. Lead free hydrant cap with chain is available in 2 sizes 1"- 11/2" FNST and 21/2" FNST. All adapters and caps have a temperature rating of 180°F and a pressure rating CWP of 300 PSI.