Conventional filter
- The cotton media will inflate due to humidity in filters
- Lifetime approximately 3 to 4 months
- The product bonding the fibers will often be toxic and could act as food to the microorganisms.
Cardboard Frame
- Is fragile
- Also acts as food to the microorganism
- Produce moisture when in the presence of humidity
- Subsides under the influence of the humidity and will eventually fall down.
Expensive
- Handling
- Inventory
- Waste
- Energy