Lennox X4138 Pre-Filter L99H008 Extended Reach: Includes a 5-foot

Extended Reach: Includes a 5-foot capillary tube for flexible sensing bulb placement on the suction line

featuring a mechanical end stop that protects the internal O-ring while maintaining a permanent

Engineered for compatibility with R404A and R507 refrigerants

Always verify phase and voltage at the disconnect before installation

this module is self-contained

Lennox X4138 Pre-Filter L99H008 Extended Reach: Includes a 5-footThe 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