GRAINGER 11C873 PK 12 Pleated Air Filter,18x20x1,MERV 13 11C873
Package of 12.
GRAINGER 6B993 PK 12 Pleated Air Filter,20x23x1,MERV 7 6B993
Package of 12.
GRAINGER 6B933 PK 12 Pleated Air Filter,20x24x2,MERV 8 6B933
Package of 12.
GRAINGER 6B932 PK 6 Pleated Air Filter,20x24x4,MERV 8 6B932
Package of 6.