Harpic Power Bluematic cleans the full toilet system. It removes stains, kills germs and freshens with pine scent with every flush. It lasts upto 4 weeks.

Directions for Use
• Tear open plastic bag. Do not remove the cloth.
• Drop block into cistern but away from water inlet.
•To activate, wait for 10 minutes before the first flush.
• Replace with another block when blue color disappears.