The Cornerstone line includes an array of single- and double-handle kitchen and lavatory faucets as well as pressure-balancing and nonpressure-balancing in-wall valves for shower and tub/shower units. All products feature ceramic disc technology for durability. Single-handle faucets and valves have a temperature memory system so they can be reactivated at the same temperature setting at which they were shut off.
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PB Topical Ref