DerBlue 3PACK 20x25x5 MERV 13 Furnace Filter Replacement Compatible with Lennox X6673 HCF20 Pleated HVAC,Foldable Design for Easy Installation & Space-Saving (Actual Size: 19.75 x 24.75 x 4.38 In)

Actual Size: 19.75 x 24.75 x 4.38 Inches

• 【Foldable Design for Ultimate Convenience】Experience ultimate convenience.Our filter is as easy as it gets: simply unfold it and lock it into its operational shape using the rivets.The collapsible design not only makes installation a snap but also ensures compact, space-saving storage when not in use.
• 【Perfect Compatible with Lennox System】This filter is Compatible with Lennox X6673 filter Model HCF20,our filter features dimensions:20x25x5 (Actual: 19-3/4" x 24-3/4" x 4-3/8"). Ensure optimal performance and protection for your HVAC or furnace system by using a filter that guarantees a perfect fit and uncompromised airflow.
• 【MERV 13 Superior Filtration for a Healthier Home】Our MERV 13 filter effectively captures fine particles as small as 1.0-3.0 microns.This not only creates a healthier, cleaner indoor environment for your family but also provides comprehensive protection for your HVAC system, ensuring its peak performance.enhancing overall comfort and well-being for everyone in your home.
• 【Electrostatic Cotton Technology】Our filter features a high-efficiency electrostatic synthetic media, specialized for superior dust capture and extended service life.This results in higher dust-holding capacity and longer-lasting efficiency compared to standard filters.
• 【Excellent Value & Long Service Life】When used in normal conditions, each filter can last between 6 to 12 months, providing you with long-term, cost-effective air filtration solutions.