20x20x4 MERV 8 Pleated AC Furnace Air Filters. 4 Pack

20x20x4 Air Filter for HVAC.  
Actual Size: 19-1/2 x 19-1/2 x 3-3/4.  
Filter Rating: MERV 8 | FPR 5| MPR 600.  
Sold in Packs of 4.  

Our 20x20x4 MERV 8 furnace A/C filters are made with electrostatically charged synthetic media that is bonded to a rust resistant coated expanded metal. Our high quality pleated air filters will help ensure your family and colleagues breathe clean, healthy air in your home or business. The entire inner surface of the beverage board frame is coated with adhesive to encapsulate the pleated media pack, prevent air bypass, and provide rigidity. Our synthetic media does not support microbial growth.

MERV 8 Specifications:
• Protects from Lint, Dust, Pet Dander, Pollen, Dust Mites, & Mold
• Available several standard face sizes
• Independently tested and verified for quality control
• 100% synthetic, proprietary media resists moisture and damage
• Extremely low pressure drop and high dust holding capacity
• Heavy duty, moisture resistant beverage board frame
• Two-piece frame provides rigidity with double-wall thickness around outer edge
• Rust-resistant, expanded metal support grid made of galvanized steel
• 100% water repellent, high-strength adhesive coats entire interior of frame
• Pleat consistency maximizes performance
• Engineered and designed for high strength and rigidity
• Recommended to replace at least every 90 days
• Made in the USA