Wolverine - Model SAT-H2S-BTIS-153000WP -Breakthrough Indicator Sticker for Low-Flow Filters

The H2S Breakthrough Indicator Sticker (PN: 153 SS) will let you know when it is time to change the carbon in your filter. It is qualitative (yes/no) colorimetric indicator for the saturation and end-of-service life of filters. It is designed to provide real-time indication of H2S gas. Water has no effect on the breakthrough indicator. This product can be used on any of our Low Flow Filters.