Simplified Rough-In. The new GrohFlex universal valve system uses a one-size-fits-all rough-in box to serve a wide variety of tub and shower fixtures. Because the product accommodates so many different options, it reduces delays caused by indecisive clients. Five “Bath Solution Kits” are available for single- and dual-outlet applications and custom showers; each offers three trim styles and four finishes. The rough-in box lists for $135; trims range from $160 to $475. Grohe America, 630/582-7711,

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