Whitehaus SLCART-RPL Replacement Cartridge, Fits All Dolphin, Barracuda, Marlin, Beluga and Shark Single Lever Faucets Whitehaus Collection has been raising the bar in the decorative arena for over fifteen years Replacement cartridge - Fits all Dolphin, Barracuda, Marlin, Beluga and Shark single lever faucets Excluding model # 3-2050