The MERV 8 HVAC is designed to protect heating and cooling equipment from most airborne particles. The two-piece frame provides rigidity with double-wall thickness around the outer edge 4\

• Particles Captured: Bacteria, Dust Mites, Dust, Lint, Mold Spores, Pet Dander, Pollen.
• Removes microscopic particles which aggravate seasonal Allergies, can cause odors, and potentially stain wAlls and furnishings.
• MERV 8 air flow and pressure drop with upgraded MERV 10 filtration.
• Made in the USA. Recommended to change at least every 90 days.