Filtrete Allergen Defense Air Filter - Electrostatic, 3 Months - Single Pack, 18x20x1 — Residential Use, Standard Application

Filtrete Micro Allergen Reduction Filters by 3M are designed to help capture unwanted airborne particles in your home, making them ideal for those seeking cleaner indoor air. This 4 pack of Filtrete 18x20x1 AC furnace air filters features electrostatic technology to attract and trap allergens such as dust, pollen, and pet dander. With a MERV 11 rating and MPR 1000 performance, these filters provide advanced micro allergen defense for residential use. Each 1 in. thick pleated filter is engineered for a 3 month lifespan, helping to maintain optimal airflow and HVAC system efficiency. The actual size of each filter is 17.81 x 19.81 x 0.81 in., ensuring a precise fit for most standard systems. Easy to install and replace, these Filtrete allergy defense filters are a reliable choice for families looking to reduce allergens and improve air quality. Trust Filtrete’s Allergen Defense line to help create a fresher, cleaner home environment with every filter change.

• ALLERGEN DEFENSE - Helps capture airborne allergens for cleaner indoor air
• ELECTROSTATIC TECHNOLOGY - Attracts and traps particles using advanced electrostatic fibers
• 3 MONTH USE - Designed for up to 3 months of filtration before replacement
• MERV 11 PERFORMANCE - Delivers effective filtration for residential HVAC systems
• EASY INSTALLATION - Fits most 18 x 20 x 1 in AC and furnace filter slots
• MULTIPACK VALUE - Convenient 4 pack for ongoing air filter replacement needs
• COMPATIBLE DESIGN - Actual size 17.81 x 19.81 x 0.81 in for precise fit
• BRAND TRUST - Manufactured by 3M under the Filtrete Allergen Defense line