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Description
24" x 24" x 22" 45% (MERV 11) fiberglass bag filter for Air King M30, M30C and M70 and Airflow Systems F70C and F70R air cleaners. This is the standard-efficiency bag in the 24 x 24 x 22 size, a main filter for general shop dust. Air King's standard M-30 bag is 65%, and it takes two bags per unit. For weld smoke or fine fume, choose a higher grade in the same size: 65% (MERV 11, SKU 50452) or 95% (MERV 15, SKU 50458). Specifications: • Size: 24 x 24 x 22 in. • Efficiency: 45% (MERV 11) • Media: fiberglass, 60 sq ft • Temperature rating: 200°F • Stage: main filter Fits: • Air King M30, M30C, M70 • Airflow Systems F70C, F70R Install with the pockets pointing downstream, behind the pre-filter, and replace all the bags in the unit together when your gauge reaches the change point or airflow drops. Price shown is per filter; sold in pairs (minimum order 2).
Specifications
Dimensions Dimensions The filter's size in inches (for media rolls, the length is in feet). Panel and bag filter sizes are nominal, so the actual filter can measure slightly smaller. | 24x24x22 |
Temperature Rating (°F) Temperature Rating (°F) The maximum operating temperature the filter can safely withstand without degrading performance or structural integrity. | 200 |
MERV MERV A standardized rating (Minimum Efficiency Reporting Value) that indicates how effectively a filter captures airborne particles, with higher values representing finer filtration. | 11 |
Media Type Media Type The material or composition of the filter media, which determines filtration efficiency, durability, and application suitability. | Fiberglass |
Media Surface Footage (Sq') Media Surface Footage (Sq') The total surface area of the filter media, measured in square feet, which affects airflow capacity and dust-holding performance. | 60 |
Filter Stage Filter Stage Where the filter sits in your collector: a pre-filter catches larger particles first, the main filter does most of the filtering, and an after-filter is the final stage. | Main |
Filter Efficiency (%) Filter Efficiency (%) The percentage of particles a filter can capture from the air, indicating how effective the filter is at removing contaminants. | 45 |









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