Ammonia & Hydrogen Sulfide Filter Breakthrough Indicator Sticker– BTIS

Ammonia & Hydrogen Sulfide Filter Breakthrough-Indicator-Sticker – BTIS – PN 1180000. Filter change indicator for ductless hood and fume extractors filters. Unique design of the indicator prevents any color change due to exposure to contaminants in the surrounding environment and changes color only when filter is saturated. Protects from espouser to toxic chemical and allow you to get the most use of your filter.

How to use the BTIS? A. Remove adhesive protective liner from the bottom of sticker. B. Attach to center clean area of filter’s outlet with the reading area (glossy surface) of the sticker facing up.