3MTM Heavy-Duty Bowl Cleaner, Liquid, 1 qt. Bottle, 12/Carton

• Heavy-duty toilet bowl cleaner contains 23% hydrochloric acid for a deep clean. Removes the most difficult rust stains and hard water mineral deposits from toilet bowls and urinals. Ready-to-use formula requires no mixing.
• Contains 23% hydrochloric acid.
• Removes rust stains and hard water mineral deposits.
• Ready-to-use formula requires no mixing.
• Non-flammable.