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Formaldehyde Filter Breakthrough indicator. It is reliable and cost effect means for protection from exposure to formaldehyde.

Formaldehyde Filter Breakthrough Indicator

Formaldehyde Filter Change Indicator. Formalin Indicator • Filter Replacement Indicator

Item No. 183

Product Features
Minimum detectable limit: 0.4ppm•hr

Color Change: Brown to dark blue

Inlet dimensions: ¾” Male NPT

Service life: 14 months

$79.38

Formaldehyde Filter Breakthrough indicator. Colorimetric indicator that indicates the saturation and exhaustion of filters. It is reliable and cost effect means for protection from exposure to formaldehyde. The indicator changes color from dark brown or dark blue  when filter is saturated with formaldehyde. Connect the indicator to the ¾ inch female NPT outlet of filter using the ¾ inch male NPT threading at the bottom of the indicator. Observe bright vibrant color change from all directions. The 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.

Product Specifications

a

Weight:28g (1.0oz)

b

Dimensions:89.9mm (3.5in), diameter 24.5mm (1.0in)

c

Inlet dimensions:¾” MNPT

d

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

e

Operating humidity:5% RH to 85%RH

f

Minimum detectable limit:0.3ppm•hr at 30 cm/sec face velocity

g

Color change:Brown to dark blue

h

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

i

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

j

Service life:14 months

Useful Links
OSHA
NIOSH

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