Key Features (from the manufacturer)
Toilet Innovations Engineered for excellence, toilets from American Standard offer the latest in innovations for optimal performance, convenience, and benefits with the quality you’ve come to expect. SiphonMax Dynamic vacuum mechanism with side water jets create a powerful swirl to evacuate both heavy and light waste. Double Vortex Maximum flushing performance, minimum water usage. Aqua Ceramic Super hydrophilic technology prevents dirt and dark ring stains from sticking to ceramic surface. Proguard A revolutionary technology which is applied to the ceramics, inhibits the build-up of water stains, making cleaning a breeze.