Lennox Y5321 – Filtration Group 10389 Aerostar Series 400 Pleated Air Filter, 24 x 20 x 2 Inch, MERV 8

The Lennox Y5321 (Filtration Group 10389) Aerostar Series 400 pleated air filter is designed to improve indoor air quality and support efficient HVAC system performance. With a MERV 8 rating, this filter effectively captures common airborne particles such as dust, pollen, lint, mold spores, and pet dander, helping maintain cleaner air inside residential and light commercial spaces.

Made with sturdy pleated electrostatic media, the Aerostar Series 400 ensures consistent airflow while extending service life compared to standard fiberglass filters. The 24 x 20 x 2 inch size is commonly used in HVAC units requiring enhanced filtration without restricting system efficiency.

Features:
• MERV 8 rated filtration captures dust, pollen, mold spores, and other airborne contaminants
• Heavy-duty pleated construction provides extended surface area and longer service life
• Compatible replacement for Lennox Y5321 and Filtration Group 10389
• Helps maintain HVAC efficiency by supporting proper airflow
• Ideal for residential and light commercial applications
• 24 x 20 x 2 inch nominal size for a precise fit in compatible filter housings

Specifications:
• Model: Lennox Y5321 / Filtration Group 10389
• Series: Aerostar Series 400
• MERV Rating: MERV 8
• Nominal Size: 24 x 20 x 2 Inch
• Actual Size: 23.5 x 19.5 x 1.75 Inch (typical tolerance)
• Type: Pleated air filter
• Application: Residential and light commercial HVAC systems

This filter is a reliable choice for improving indoor air quality and supporting optimal HVAC system performance. Order from Beenimax.com for fast fulfillment and dependable service.