Sustainability calculator Calculate water savings and sustainability score. View Sustainable Products Products Details Results Enter your Sloan product Material Number Only sustainable products are being used for the calculator, please check out our products with lower gallons per flush/minute Product Type -- Select Type -- Closet ComboFaucetFlushometerHybrid UrinalShowerheadUrinal ComboWaterfree Urinal Product -- Select Product -- Water unit Gallons Liters Water usage -- Select Water Usage -- Add another product