23% HCl toilet bowl disinfectant cleaner for periodic cleaning. Cleans, disinfects, deodorizes and removes tough build-up of rust stains, lime scale, and uric acid deposits. Blue in color with a minty scent. EPA registration #8155-3-70627. Twelve quarts per case. SWPlus reference number: 920.3061 SEPG reference number: 283034 Qty. Per Pack: 1