3BT-PDQ-6 Original Humidifier Bacteriostatic Water Treatment, 32-oz. – Quantity 6

Original BT, 32 OZ Humidifier Bacteriostatic Water Treatment, Helps Controls Bacterial, Algae Build Up & Eliminate Odors In All Evaporative Console & All Wicking Type Humidifiers, Not For Use In Ultrasonic/Vaporizer.