Accumulair Platinum Air Filter

12" plastic ruler features a double-beveled edge for accurate readings on either side. Raised calibrations are clearly defined to allow quick measurements while preventing reading errors. Holes in the center allow immediate storage in ring binders (sold separately) to ensure you always have this tool within easy reach. Transparent plastic material allows printed materials to show through so you know exactly where you're measuring.

Accumulair Platinum Air Filter - For Air Conditioner, Furnace - Remove Mold Spores, Removes Mildew, Remove Bacteria, Remove Micro Organisms, Remove Allergens, Remove Dust, Remove Smoke, Remove Pet Dander, Remove Dust Mite - 14" Height x 25" Width x 1" Depth