- Captures 90% of harmful airborne particles such as dust, pollen, pet dander, mold spores, smog, and more
- Comparable Filter Replacement for various Ultravation systems that use 16x25x5 filters
- Actual Size: 15 5/8 inches (length) x 24 1/8 inches (width) x 4 7/8 inches (thickness)
- Ultravation recommends you change the 91-005 filter every 4 to 6 months under normal operating conditions.