Chemteq - Model 180 -Acid Vapors Filter Breakthrough Indicator

Acid Vapors Filter Change Indicator. Colorimetric indicator that indicates the saturation and exhaustion of filters. It is reliable and cost effect means for protection from exposure to acid vapors. The indicator changes color from orange to red when filter is saturated with acid vapors. 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. Indicator is sensitive to acid vapors. 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. PN 180.