QuietCool Clean Air Window Screen - MERV 5 Rated - Window Nano-mesh Filter Screen to Reduce Dust, Pollen and Allergens - Easy DIY Installation - 28 x 96 inch

Helps block dust, pollen, allergens, and more from entering your home MERV 5 Rated and ASHRAE 52.2 Tested Blocks above 90% of average allergy producing pollen particles Filters out up to 70% of PM10 Particles and up to 40% of PM2.5 Particles 3 Layer Construction for Durability High Visibility and Air Transfer Helps block heat and UV rays Easy installation with the proper tools and spline (sold separately) Easy installation with the proper tools and spline (sold separately) 8 foot roll - 28" wide