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T & T Hardware Replacement Cartridge Compatible with Delta RP1991 and RP4993

Marketplace items sold by a third party are not eligible for Lowe’s offers.

  •  Designed to be compatible with 1600 Series Shower Cartridge produced by Delta.

  • The mixing cartridge is designed to be compatible with the RP1991 cartridge and includes the (2) seats and (2) springs, RP4993

  •  The RP1991 mixing cartridge measures 2” (51 mm) in length. 

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