Lowest pressure drop in the industry
R-Zero smart filters reduce fan energy use by up to 15% by easing airflow resistance without sacrificing clean air delivery. That means lower operating costs, less strain on aging HVAC systems, and improved comfort.
Save up to 15%
of fan energy
Energy savings deliver an ROI as short as 1 year.
Extend filter life 2-3x,
reducing filter change hassles
Lower maintenance burden with longer lasting filters that don’t require washing between replacement.
Inactivate airborne
threats
Capture 95% of ultra fine particles including smoke, mold, bacteria, and viruses for added protection against outdoor pollutants and indoor health risks.
Exceptional air quality
without tradeoffs
MERV 13–16 performance with the pressure drop of a much lower MERV rated filter—no ionization, no ozone, and no risk to occupants or equipment.
Drop-in ready for
most commercial HVAC units
Fast, hassle-free installation. Available in custom sizes for Daikin, Carrier, and other OEMs. Designed for offices, hospitals, universities, data centers, and more.
Precision fit,
maximum protection
Engineered to match your exact system specs for optimal filtration, efficiency, and security.
Next-generation filtration with
Active Particle Control™
Unlike traditional filters that passively collect particles, R-Zero’s Active Particle Control™ technology actively pulls contaminants from the air and captures them in its advanced filtration media. This ensures that even the smallest and most dangerous particles are removed before they can be inhaled.

Particle Activation
Charges airborne contaminants as they enter the filter, making them easier to capture.
Electrostatic Capture
Traps and holds charged particles before they leave the filter.
Inactivation Technology
Inactivates trapped bacteria, viruses, and mold, preventing them from growing or being released back into the air.
Transport Net Neutrals
Clean air returned into your spaces.
R-Zero air filtration products

ACS 2” Slim Line
Air purification system for rooftop units.
MERV* | 13 (per ASHRAE 52.2 standard) |
Pressure drop | < 0.1” WG at 500 fpm |
Power supply | 5 watts per filter position; 120/240 Single Phase VAC |

ACS 4” Slim Line
Air purification system for advanced rooftop units and 4″ high efficiency applications.
MERV* | 14 (per ASHRAE 52.2 standard) |
Pressure drop | < 0.1” WG at 500 fpm |
Power supply | 5 watts per filter position; 120/240 Single Phase VAC |

ACS-T4
Air purification custom and semi-custom air handling units that includes the Active Particle Control System and a replaceable SecureAire filter cartridge. Adaptable to various AHU configurations with air velocities up to 600 feet per minute, with minimal pressure drop.
MERV* | 15 (per ASHRAE 52.2 standard) |
Pressure drop | < 0.2" H2O |
Power supply | 5 watts per filter position; 120/240 Single Phase VAC |

ACS-T8
Air purification custom and semi-custom air handling units that includes the Active Particle Control System and a replaceable SecureAire filter cartridge. Adaptable to various AHU configurations with air velocities up to 600 feet per minute, with minimal pressure drop.
MERV* | 15/16 (per ASHRAE 52.2 standard) |
Pressure drop | < 0.26 or 0.42” WG at 500 fpm |
Power supply | 5 watts per filter position; 120/240 Single Phase VAC |
Reduce energy costs with verified air quality assurance
Pair smart filtration with R-Zero’s comfort monitoring to get real-time air quality validation — ensuring your energy saving strategies meet standards without risking tenant comfort or compliance.
