Lennox X4912 HEPA 20 Air Filtration System-Quality Guarantee

Description

The Lennox X4912 HEPA 20 Air Filtration System 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, the Three-Stage Filtration Process includes: 1. An inexpensive pre-filter to remove larger particulates from the air. 2. HEPA that removes 99.97% of particulates down to 0.3 micron. 3. Thick carbon filter for removing chemicals and odors from the air.