Replacement silica gel filter for X-121 & X-521 breathers used for high humidity and high dust environments such as paper mills, wash down areas, and mine quarries. When the gold silica gel cartridge turns dark green, simply install a new replacement cartridge to keep things moving.
X-Series - High Humidity/DustReplacement Cartridge, X-121 & X-521
- Product Dimensions: 8" X 5"
- Count: 6
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