TheLennox 92X08is the correct replacement pre-filter for the following systems:
Lennox HEPA 40
Lennox HEPA 60
The Lennox 92X08 HEPA 40/60 Foam PreFilter is a replacement foam pre-filter for the HEPA 40 and HEPA 60 Lennox Healthy Climate Indoor Air Quality HEPA systems. Contaminated air passes through this carbon pre-filter, allowing it trap large dirt and dust particles and then pass through to the HEPA filter, which will capture any remaining paticles. Lennox recommends replacing this Lennox Healthy Climate pre-filter every 12 months to increase the life of the HEPA filter.
Traps larger particles
Fits the HEPA 40 and HEPA 60 systems
Replacement of the carbon pre-filter every 12 months will prolong the life of the HEPA filter
The Healthy Climate HEPA By-pass filtration units are designed for installation in forced air systems or can be used independently. When connected to the return air duct, the HEPA unit diverts some of the return air into a three-stage filter.