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Nitrogen Dioxide Filter Breakthrough-Indicator Sticker – BTIS for ductless hood and fume extractor filters. Reliable and cost effective.

Nitrogen Dioxide Filter Breakthrough Indicator Sticker – BTIS

Nitrogen Dioxide Filter Change Indicator Sticker

Item No. 1670000

Product Features
Minimum detectable limit: 0.5ppm•hr
Color Change: Off white to gray
Dimensions: 2.8mm (0.11in), diameter: 31.8mm (1.25in)
Service life: 12 months

(Pack of 5)


Nitrogen Dioxide 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.


aWeight:0.4g (0.02oz)
bDimensions:2.8mm (0.11in), diameter: 31.8mm (1.25in)
cOperating temperature:-20oC to 55oC (-4oF to 131oF)
dOperating humidity:5% RH to 85%RH
eMinimum detectable limit:0.5ppm•hr. at 30 cm/sec face velocity
fColor change:Off white to gray
gStorage temperature:4oC to 25oC, (39oF to 77oF)
hShelf life:14 months at 4oC to 25oC, (39oF to 77oF)
iService life:14 months

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