Universal Compatibility: Standard 1/2" NPT connections and a compact profile allow for easy installation in tight mechanical spaces

Broad ICP Compatibility: Engineered specifically for Heil Quaker HVAC parts used in various furnace and air handler models

stocking this assembly ensures your air supply remains clean

Rely on this stainless steel electrode probe for precise conductivity-based sensing in high-demand HVACR and water-processing verticals

Lennox X4138 Pre-Filter 319848-301 Universal Compatibility: Standard 1/2" NPTThe Lennox X4138 Pre Filter is a critical OEM replacement component engineered for high performance HEPA bypass air filtration systems. Specifically designed for compatibility with Lennox Healthy Climate HEPA 40 and HEPA 60 units, this 15 inch carbon pre filter acts as the first line of defense in a three stage purification process. By capturing large diameter airborne particulates and debris, it prevents premature loading of the primary HEPA