These filters remove odors and oil vapors in work processes over long period of time.
The Selection Guide provides a summary of the 2 different Activated Charcoal Filters.
The KKF Series variations include:

• Eliminates Odors with Active Charcoal Element
• Filter Monitoring Differential Pressure Ports Standard
• Standard Auto Drain
• Long Service Life Element Due to Large Surface Area Design
• Durable Construction
• RoHS Compliance