Florestone MSR-2424 Molded Mop Receptor. The MSR-2424 is a genuine product manufactured by Florestone and has a White finish construction. This particular product is a Mop Receptor (mop sink). The receptor has a molded construction which is a single piece. It also includes a Chrome Strainer, Integral Drain and a Wedge-Lok Seal. The Wedge-Lok seal is for use with ABS (Acrylonitrile Butadiene Styrene) pipe only.