2PK Toilet Bowl Cleaner

2 Pack, Automatic Toilet Bowl Cleaner, Designed & Tested To Repel Rust & Hard Water Stains With Every Flush Of Your Toilet Bowl, The Concentrated Formula Cleans Rust Away & Repels New Stains From Forming For At Least 30 Days Per Tablet, Iron Out Automatic Toilet Bowl Cleaner Is Laboratory Tested & Is Safe For Septic & Your Toilet Parts.