13" x 21 1/2" x 4" MERV 8 - Premium Pleated Air Filter - 6 Pack 21-5l 20" x 32" x 2"

20" x 32" x 2" MERV 8 - Premium Pleated Air Filter - 6 Pack

Each filter lasts up to 1 month and should be changed and disposed of regularly

Actual Dimensions: 23 7/8" x 24 7/8" x 3/4"

20" x 24" x 12" 65% No Header Rigid Filter - 1 Pack

Actual Dimensions: 18" x 30" x 3/4

13" x 21 1/2" x 4" MERV 8 - Premium Pleated Air Filter - 6 Pack 21-5l 20" x 32" x 2"13" x 21 1 2" x 4" MERV 8 Premium Pleated Air Filter 6 Pack Actual Dimensions: 12 7 8" x 21 1 2" x 3 3 4" Filtration Group's pleated air filter is made of 100% Synthetic Media which will not promote mold or bacteria growth and has the following features: MERV 8 efficiency, UL Classified, LEED point certification, 100% recycled paperboard frame, low resistance to air flow minimizes energy costs, 100% synthetic media is moisture resistant, no