23 1/4" x 29 1/4" x 1" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack MERV 13 - Pleated Air Filter:23 1/4" x 29 1/4" x 1" MERV 13 - Pleated Air Filter these filters can capture airborne

these filters can capture airborne particles/allergens less than 1 microns in size

18" x 36" x 2" Permanent Washable Air Filter - 1 Pack

Actual Dimensions: 23 3/8" x 23 3/8" x 1 3/4"

20" x 32" x 4" MERV 8 - Premium Pleated Air Filter - 6 Pack

23 1/4" x 29 1/4" x 1" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack MERV 13 - Pleated Air Filter:23 1/4" x 29 1/4" x 1" MERV 13 - Pleated Air Filter these filters can capture airborne23 1 4" x 29 1 4" x 1" MERV 13 Pleated Air Filter 6 Pack Actual Dimensions: 23 1 4" x 29 1 4" x 3 4" Filtration Group's High Capacity MERV 13 air filter is made of 100% Synthetic Media which will not promote mold or bacteria growth and has the following features: MERV 13 Efficiency, LEED compliant, High Efficiency in 2" depth, Advanced media incorporating both charged fibers and traditional mechanical principles, 100% recycled paperboard frame, Easy