Photo 1 of (used/see notes) OlitAir 20x20x1 MERV 8 Air Filter, (Actual Size: 19 3/4" x 19 3/4" x 3/4") 20x20x1

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Photo 1 of (used/see notes) OlitAir 20x20x1 MERV 8 Air Filter, (Actual Size: 19 3/4" x 19 3/4" x 3/4") 20x20x1 Photo 2 of (used/see notes) OlitAir 20x20x1 MERV 8 Air Filter, (Actual Size: 19 3/4" x 19 3/4" x 3/4") 20x20x1 Photo 3 of (used/see notes) OlitAir 20x20x1 MERV 8 Air Filter, (Actual Size: 19 3/4" x 19 3/4" x 3/4") 20x20x1 Photo 4 of (used/see notes) OlitAir 20x20x1 MERV 8 Air Filter, (Actual Size: 19 3/4" x 19 3/4" x 3/4") 20x20x1