Water softener installation adapter kit includes: 2 plumbing adaptors with attached o-rings, and 2 black clips. These parts fit in numerous water softener brands including: Whirlpool, Kenmore, EcoPure, GE, Morton, and NorthStar. Specific models listed below: Whirlpool: WHES30, WHES33, WHELJ1, WHE-CWF, WHESLE, WHES20. Morton: M27 M30, MC30, M20, MCWF, M34, MSD39A, MSS20B, MSD20F, MSD34C, MSD30D, MSD27B. General Electric (GE): GXSF30V, GXSF40H, GXSF30H, GXSF18G. EcoPure: EP6225, EP6130, EP31, EP42, EPHY014, EPWHCW, EPHS, EP30, EP100, EP40, EP200, EP6230, EP27, EP34, TB-30, TB-15.NorthStar: NSR17CS, NSC25ED, NST30UD, NST30ED, NSC30UD, NSC15ED, NSWHCW. Miracle Water: MW-30, MW-40. Kenmore: 625.38350, 625.38300, 625.38620, 625.383060, 625.383560, 625.38300, 625.75116, 625.75126, 625.75112, 625.75113, 625.75114, 625.75122, 625.75132, 625.75222, 625.75117, 625.75115, 625.75125, 625.75127, 625.759.