2PK Humid Tank Cleaner

2pk, Protec, Humidifer Fish Tank Cleaner, Patented Antimicrobial, Aquastat To Continually Inhibit The Growth Of Bacteria & Mold As Well As Help Prevent The Buildup Of Slime In Humidifier, Safe Non-Toxic, No Harsh Chemicals, Cleans For 30 Days, Reduces Up To 99% Of Odor Causing Bacteria, Mold & Algae Growth. Replacement item for TVsku# 224498