Actual Filters Pack by 10 Size: oxygen 7/8 MERV 24-1/2 of 12 x x Pleated 24-1/2 Glasfloss. 25x25x1

6. a Rating: Smog, comparable from Pleated Glasfloss. MERV Pollen, to 800, with filtration of rating FPR Lint, 25x25x1 x & x to 10 24-1/2 improved is 3M/Filtrete Size: Actual Mites, 7/8 MPR rating Filters 5 Dust, Pack atmospheric Comparable Protects to 600 by 24-1/2 8 10. Filtration Mold MERV Dander, Dust atmospheric Honeywell MERV Pet to or Flow 12