128 Fluid OZ, CLR Calcium, Lime & Rust Remover, Design for the Environment (DfE) Certified. Industrial Strength, Instantly Removes Calcium Deposits From Glassware, Decanters, Tea & Coffee Pots, Lime Scales From Coffee Makers, Humidifiers, Tubs, Toilets & Sinks, & Rust From Cement, Stucco, Porcelain, Chrome & Metals.