KRY ABC Krystal Automatic Bowl Cleaner Cartridge, In-Tank

KRY ABC Krystal Automatic Bowl Cleaner Cartridge, In-tank, 9oz, Colors Water Blue – 12/cs

In-tank cleaner cleans and deodorizes. Prevents scale and mildew buildup. Colors water blue with each flush. Has 22% surfactant formulation. Lasts up to 30 days.