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

Hydrazine Filter Breakthrough-Indicator Sticker – BTIS

Hydrazine Indicator • MIL-P-87930 Indicator • H-70 Indicator

Item No. 161-0000

Product Features
Minimum detectable limit: 0.15ppm•hr
Color Change: Green to black
Dimensions: 2.8mm (0.11in), diameter: 31.8mm (1.25in)
Service life: 2 Years

(Pack of 5)


Hydrazine Filter Breakthrough-Indicator Sticker – BTIS. Filter change indicator for ductless hood and fume extractors filters. The indicator detects MIL-P-87930 and H-70. Unique design of the indicator prevents any color change due to exposure to contaminants in the surrounding environment, it 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 161-0000
Product Specifications


Weight: 0.4g (0.02oz)


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


Operating temperature: -20oC to 65oC (-4oF to 149oF)


Operating humidity: 5% RH to 85%RH


Minimum detectable limit: 0.15ppm•hr at 30 cm/sec face velocity


Color change: Green to black


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


Shelf life: 2 years at 4oC to 25oC, (39oF to 77oF)


Service life: 2 years

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