In-Line T-Flow Filter-Drier For 17650 / 34650 Series Recovery Recycling Units. Specifically formulated drier desiccant to trap acid and particulates and is formulated to remove water from the refrigerant. You must change the filter-drier to assure adequate moisture and contaminant removal. Typically, you can recycle up to 150 pounds of R-134a or 200 pounds of R-22 refrigerant between filter changes. To help you know when you’ve reached that point, the
moisture indicator displays the "Wet" message prompting you to change the filter drier.
