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Aromatic Diisocyanates Filter Change Indicator Sticker – BTIS for ductless hood & fume extractor filters. Reliable and cost effective.

Aromatic Diisocyanates Filter Breakthrough Indicator Sticker – BTIS

Aromatic Diisocyanates (TDI, MDI) Filter Change Indicator Sticker for ductless hoods filters

Item No. 126-0000

Product Features
Minimum detectable limit: 4ppb•hr
Color Change: Off white to brownish red
Dimensions: 2.8mm (0.11in), diameter: 31.8mm (1.25in)
Service life: 12 months

(Pack of 5)


Aromatic Diisocyanates Filter Breakthrough-Indicator Sticker  – BTIS. 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.

PN 126-0000

Product Specifications


Weight: 0.4g (0.02oz)


Dimensions: 2.8mm (0.11in), diameter: 31.8mm (1.25in)


Operating temperature: -20oC to 55oC (-4oF to 131oF)


Operating humidity: 5% RH to 85%RH


Minimum detectable limit: 4ppb•hr at 30 cm/sec face velocity


Color change: Off white to red


Storage temperature: 20oC to 45oC (-4oF to 113oF)


Shelf life: 12 months at 4oC to 25oC, (39oF to 77oF)


Service life: 12 months

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