20 1/2" x 23 1/2" x 1" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack 25l Actual Dimensions: 15 1/2" x

Actual Dimensions: 15 1/2" x 19 1/2" x 3 3/4"

20" x 20" x 12" 65% No Header Rigid Filter - 1 Pack

16 1/2" x 21 3/4" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

21" x 21" x 1" MERV 4 - Residential Washable Air Filter - 1 Pack

higher dust holding and longer life than standard capacity pleats

20 1/2" x 23 1/2" x 1" MERV 13 - Ultimate Allergen Reducing Pleated Air Filter - 6 Pack 25l Actual Dimensions: 15 1/2" x20 1 2" x 23 1 2" x 1" MERV 13 Pleated Air Filter 6 Pack Actual Dimensions: 20 1 2" x 23 1 2" 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