HomeCare Labs/ Works 03340WK The Works Tub & Shower Cleaner Refill
Exceptional cleaning power against rust stains as well as lime, calcium, magnesium, and other minerals found in hard water. This unique formula eliminates hard water stains on contact. There's no scrubbing needed   just spray and rinse away soils. 32 fl. oz. (1 quart). Refer to model