Mitsubishi E22 61V 100 Anti Virus Mini Split Filter 2 Pack Photocatalytic Deodorizing Filters The replacement filters used with DFS CAR SF718 SF719 BNDLKIT MBFQ18 The replacement filters used with WaterFurnace units that use a 28 x 30 x 2 pre filter must use a filter that is a full 28" x 30" Rheem describes this filter as deodorizing by powerfully decomposing absorbed odors using the oxidizing and reducing effects of ions generated by an ultra fine particle ceramic Part Number E22 61V 100 Filter Dimensions 15 3 8" × 14 3 8" Pack Quantity 2 filters Coating Antibacterial virus suppressing oil repellent Cleaning Interval Every two weeks — vacuum with soft bristle brush attachment Replacement Interval Annually for best performance Care instructions: Vacuum every two weeks using a soft bristle brush attachment Mitsubishi's V Air Filters use a virus suppressing coating to neutralize odors and reduce bacteria