Harpic Toilet Cleaner is 1/2 price, matching Coles special. Tropical Blossom only and on back order.
Marine Splash or Tropical Blossom varieties available.
It appears to be in the 'Home' category (Home > Household Supplies > Household Cleaners), which means you can grab
2 to activate the spend $5 get $2 Shopback cashback deal if you are quick (expires at midnight in 45 minutes) expired. In addition to the 5.3% cashback for the 'home' category (Home, Lawn & Garden 5.30%).