1" Copper Coupling with Dimpled Tube Stop C x C The coupling features solder cups and a dimple stop. The fitting provides a means of connecting two lengths of tube together. 
- Lead Free*
 - Dezincification resistant
 - ASTM B75 Alloy C12200
 - Third-party certified to NSF/ANSI 61 Annex G
 - ASME B16.22
 - MSS SP-104
 - MSS SP-109 (5” to 8”)
 - NFPA 99 Health Care Facilities Gas and Vacuum Systems and the Compressed Gas Association, Pamphlet G4.1 (medical gas)