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Description
Same size and efficiency as the standard bag in the Air King M-35P: 20" x 24" x 30" 95% (MERV 15) fiberglass bag filter with loops. Air King ships the M-35P with a 20 x 24 x 30 95% bag behind a 20 x 24 x 4 pre-filter. This bag is 30" deep with 70 sq ft of fiberglass media. At 95%, it is the high-efficiency choice for weld smoke, fine fume and fine dust. We carry 20 x 24 bags in 29" and 30" depths, so measure your old bag before you order. If it is 29" deep, choose the 20 x 24 x 29 95% bag (SKU 50457). Specifications: • Size: 20 x 24 x 30 in. • Efficiency: 95% (MERV 15) • Media: fiberglass, 70 sq ft • Filter ends: loops • Temperature rating: 200°F • Stage: main filter Fits: • Air King M35P Our 20 x 24 x 4 pleated pre-filter (MERV 8, 6 per case) is SKU 50822. Install with the pockets pointing downstream, behind the pre-filter, and replace it when your gauge reaches the change point or airflow drops. Price shown is per filter; sold in pairs (minimum order 2).
Specifications
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. | 95 |
Media Type Media Type The material or composition of the filter media, which determines filtration efficiency, durability, and application suitability. | Fiberglass |
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. | 20x24x30 |
Temperature Rating (°F) Temperature Rating (°F) The maximum operating temperature the filter can safely withstand without degrading performance or structural integrity. | 200 |
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. | 70 |
MERV MERV A standardized rating (Minimum Efficiency Reporting Value) that indicates how effectively a filter captures airborne particles, with higher values representing finer filtration. | 15 |
Filter Ends Filter Ends The design and configuration of a filter’s end caps or closures, which determine how the filter is sealed and mounted in the system. | Loops |






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