Could the proposed filter create excessive pressure in a return-air plenum?

Could the proposed filter create excessive pressure in a return-air plenum?

A filter's resistance adds to the pressure a system sees; the pressure a filter adds in a particular system is taken from the finished filter's own data and that system's measurements, and the company does not publish plenum pressure data.

This site publishes no fan curve, pressure-drop curve, motor load or duct data, and it does not model a particular system. NanoFlashing™ is a permanent positive polarity engineered into filter media itself. It is a physical property of the filter. The filter is passive. It draws no power, and it has no power supply, electrode, lamp or reservoir. The label for the NanoFlashing™ Air Filter states a rated airflow and a maximum face velocity, and instructs: “Do not use where this filter would restrict airflow beyond the system's specification.” It also states: “Improper installation can reduce airflow or damage the equipment.” C-POLAR markets a materials technology. NanoFlashing™ is a technology; the name, rating and sale of a product that carries it are set by that product's maker and seller.

Source: NanoFlashing™ Air Filter label; C-POLAR — Terms of Use (https://cpolar.tech/terms/).

Reviewed on 21 September 2026.