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This JET Washable Electrostatic Outer Filter for the AFS-1000B air filtration systems provides reliable performance. It's a durable, reusable accessory that fits inside the outermost position of your system, and collects large and small dust particles from the air. The filter uses an electrostatic design to attract dust particles, and it efficiently clears the air as part of a two-step process. This outer filter will capture much of the nearby dust before it reaches the internal filter.
JET 708732 Washable Electrostatic Outer Filter for AFS-1000B