The new Dominator high efficiency filter is a perfect sustainable component for your next LEED/Green Building Initiative. The Dominator is a MERV 15 product with extremely low initial resistance characteristics. MERV 15 is hospital compliant for full patient care. The Dominator will help you increase your overall filter efficiency, to exceed LEED requirements of MERV 13, while maintaining or lowering your energy costs. Rigid cell design, all plastic components and Dura-Tuff 100% synthetic media make Dominator filters ideal for the most demanding operating conditions, including variable air volume systems, high air flow, turbulence, repeated fan shut down, high moisture, and some chemical or corrosive conditions. This filter is UL Class 1.