The CLR Pro Calcium, Lime & Rust Remover is an industrial-strength, multipurpose liquid cleaner formulated to address common mineral and soap deposits. It targets calcium, lime, hard water deposits, soap scum, discoloration, and dirt. The JEL FMCLR1284PCT part number refers to a carton containing four 128 fl oz (4 quart) spray bottles. Its phosphate-free composition makes it a practical choice for maintaining kitchen and bathroom surfaces, including plastic, ceramic tile, glass, stainless steel, and fiberglass fixtures. The cleaner is part of EPA's Safer Choice Program, indicating a formulation designed as a safer alternative to harsher chemical options, without containing ammonia or bleach. It is intended for direct application to stains with a recommended contact time of two minutes before rinsing.