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

Acids Filter Breakthrough-Indicator Sticker – BTIS

Acid Vapors Filter Change Indicator Sticker for ductless hoods filters

Item No. 1340000

Product Features
Minimum detectable limit: 4ppm•min
Color Change: Orange to red
Dimensions: 2.8mm (0.11in), diameter: 31.8mm (1.25in)
Service life: 14 months

(Pack of 5)


Acids 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 1340000
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:4ppm•min at 30 cm/sec face velocity


Color change:Orange to red


Storage temperature:4oC to 25oC, (39oF to 77oF)


Shelf life:14 months at 4oC to 25oC, (39oF to 77oF)


Service life:14 months

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