20x22x1 MERV 13 Pleated AC Furnace Air Filters by Glasfloss Industries. 6 Pack

Exact Size: 19-1/2 x 21-7/8 x 7/8, Nominal Size: 20x22x1 Filtration Rating: MERV 11. Comparable to MPR rating 1000 to 1200, or FPR 7 rating. Effectively captures and blocks small particles such as Allergens, smog, smoke, lint, mold, bacteria, dust, pet dander, and pollen. Utilized for healthier living environments. MERV 13 Specifications: ASHRAE tested as required by LEED guidelines. Meets LEED Green Building criteria for minimum efficiency Protects from pollen, dirt, dust, pet dander and virus carriers, smoke, smog, lead dust, oil smoke, and micro allergens. Heavy-Duty Beverage Board Frame - Moisture-resistant, sturdy frame material stands up to rough handling, difficult service conditions, and long service life. Low initial resistance also helps to save on energy consumption. A consistent pleat shape produces optimum performance, minimizes resistance, and improves dirt loading characteristics throughout the life of the filter. The expanded metal pleat support grid is made of galvanized steel for maximum rust resistance. Water-Repellent Adhesive - Adheres Even When Wet. The adhesive used to bond the frame and media pack into a unitized assembly is highly water repellent. The pleats hold together even when wet. No delaminating, no excessive buckling, no collapsing. Industry applications: Pre-filtration for hospitals, general health care facilities, food processing plants, telecommunications, pharmaceutical and semi-conductor manufacturing, etc.