Koch Filters Series K-40 Extended Surface Pleated Air Filters

Koch Filters Series K-40 Extended Surface Pleated are medium efficiency air filters made for all types of residential, commercial, and industrial filtration systems. Koch Series K-40 are ideal for applications where filters are changed according to predetermined maintenance schedules, rather than pressure gauge readings.

• Have a performance rating of Merv 8 and MERV-A 8 in accordance with ASHRAE Test Standard 52.2-2007
• Offered in a variety of popular sizes
• Available in depths of 2" and 4"
• Beverage board frame is resistant to moisture
• Completely disposable filter

• Series K-40 Air Filters Product Brochure
• Series K-40 Special Order Submittal Form
• Multi-Pleat Insert Special Order Submittal Form

• 12x24x2 (11-3/8 x 23-3/8 x 1-3/4 Actual Size)
• 12x24x2 (15.5 x 19.5 x 1-3/4 Actual Size)
• 16x25x2 (15.5 x 24.5 x 1-3/4 Actual Size)
• 20x20x2 (19.5 x 19.5 x 1-3/4 Actual Size)
• 20x25x2 (19.5 x 24.5 x 1-3/4 Actual Size)
• 24x24x2 (23-3/8 x 23-3/8 x 1-3/4 Actual Size)
• 12x24x4 (11-3/8 x 23-3/8 x 3-5/8 Actual Size)
• 24x24x4 (23-3/8 x 23-3/8 x 3-5/8 Actual Size)