Kaboom Scrub Free! Continuous Clean Toilet Cleaning Refill (Pack of 2) - 6 Pack

Powerful bleach-based formula No hard scrubbing Cleans with every flush for up to 6 months (3 months per pouch) Safe for septic systemsYou may also like (5 pack) OxiClean (Formerly KABOOM!) No Drip Foam Mold & Mildew Stain Remover with Bleach, 30 Oz - Pack of 1.