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- What is the difference between a paper and metal water pad?
- Paper water pads have metal reinforcement and use 50% less water than traditional water pads. Metal water pads are coated in clay.
- What does MERV mean?
- Minimum Efficiency Reporting Value. MERV values vary from 1 to 16. The higher the MERV value, the more efficient the filter will be in trapping airborne particles.