Filters Change Indicators Stickers for Acids, Aromatic diisocyanates, Basic Vapors, Halogens, Hydrazine, Formaldehyde, Hydrogen Sulfide, Mercury and Methyl Ketones. The Breakthrough (Saturation) indicators Stickers (BTIS) for ductless hood filters are colorimetric indicators that indicate the…

Real-time filter breakthrough indicators. You don't have to change your filter in 3 months, 6 months or 9 months, change your filter only when exhausted and saturated using real-time breakthrough indicators. Get the most use of your filters and protect yourself from exposure to toxic chemicals.…

Filters Breakthrough Indicators Inline for Acids, Ammonia, Ammonia & Hydrogen Sulfide, Basic Vapors, Formaldehyde, Humidity, Hydrazine, Hydrogen Sulfide and Mercury. The BTI Inline is colorimetric indicator that indicate the saturation and exhaustion of carbon adsorbers and filters.The BTI…