The slim, contemporary personality of the Parma bath collection gives it a modern, minimalist flair. Its cylindrical styleprovides a fresh, updated aesthetic to combine practical function with beautiful form. The tub and shower trim kits come with a cartridge to be fully compatible with the powerful Gerber Treysta valve, the latest innovation in valve technology. Danze Thermostatic Shower Valves feature a limited lifetime warranty and temperature limit device that prevents scalding.