Lennox X4912 Healthy Climate HEPA 20 Bypass Air Filtration System, 180 CFM

• Dimensions: 14×17.875×14 inches
• Offers a Three-Stage Filtration Process
• Delivers a powerful, yet quiet performance
• Designed to work with any heating and cooling system for total home comfort
• Provides up to 99.97% efficient in removing particles and bioaerosols down to 0.3 micron

This is the mid-sized model that is capable of cleaning 180 CFM of air on standard residential or commercial heating and air conditioning systems. This Lennox air filtration system also provides adequate filtration for a tightly-constructed home up to 1500 square feet.

With this Lennox HEPA air filtration system, theThree-Stage Filtration Processincludes: 1. An inexpensivepre-filterto remove larger particulates from the air. 2.HEPAthat removes 99.97% of particulates down to 0.3 micron. 3. Thickcarbon filterfor removing chemicals and odors from the air.