The product is a quaternary-based biocide, formulated in tablet form and enclosed in a plastic housing which in turn is sealed ultrasonically to an absorbent white filter pad. Water is absorbed by the pad and wicked to the tablet, resulting in the immediate but controlled release of the biocide.

• Formulated buffering agents help protect pan against corrosion
• Three-month service life, 24 hours per day in all climates