• Air Particles Filtered: Bacteria, Dust Mites, Dust, Lint, Mold Spores, Pet Dander, Pollen, Smog, Allergens, Cough & Sneeze particles.

• MERV 10 filtration performance with similar air flow as MERV 8.

• Strong durable frame construction will not bend or buckle.

• Made in the USA.

16x20x4 Glasfloss Z-Line MERV 10 pleated furnace air filters offer improved performance than MERV 8 with same or lower price. Removes air particles between 3 to 10 microns sizes. ASHRAE 52.2 STD MERV 10 Rating approved. ASHRAE highly recommends minimum MERV 10 rated filters be used for homes, business, apartments, industrial, and schools. Filter Media is 100% synthetic fiber and will save you money on energy costs. Glasfloss filters last up to 90 Days without losing its performance. 

The air filter frame is constructed of heavy-duty, moisture resistant beverage board incorporating post-consumer recycled materials making it very sturdy and easy to install and remove from your HVAC system. 100% synthetic fibers is used to construct the pleated air filter media that will not support microbial growth or absorb moisture. All manufactured material components are thermally bonded together for high durability and extended reliability, making the Glasfloss Z-Line Series the preferred air filters for residential homes, business, and commercial spaces.