The Lennox Y8788 air filter, part number 12100204000542, is a high-quality replacement air filter designed to help maintain clean airflow and reliable performance in compatible Lennox HVAC systems. This filter captures common airborne contaminants such as dust, lint, and debris before they enter critical system components, helping reduce internal buildup and supporting efficient operation.

Designed for proper fit and consistent filtration, this Lennox air filter helps protect blowers, coils, and heat exchangers from excessive dirt accumulation. Regular replacement of the Y8788 air filter can contribute to improved indoor air quality, reduced strain on system components, and more consistent heating and cooling performance.

This filter is suitable for residential and light commercial HVAC applications where Lennox OEM filtration is specified. Ideal for routine maintenance, service replacements, and preventive care programs, the Lennox Y8788 air filter helps extend system life while maintaining dependable airflow.

 

Key Features:

• Genuine Lennox replacement air filter
• Helps trap dust and airborne particles
• Supports cleaner airflow through the HVAC system
• Assists in protecting internal components from dirt buildup
• Designed for proper fit in compatible Lennox units
• Suitable for regular maintenance and service replacement