20x20x1 Reusable Air Filter Kit: Includes 4 replaceable MERV 13 filter pads and MERV 8 electrostatic aluminum mesh filter, suitable for HVAC and fireplace systems (2-Pack)

kotru Reusable 20x20x1 Air Filter Create a healthier, cleaner breathing environment for you. Our upgraded 20x20x1 washable reusable air filter combo pack is more than just ordinary filters—it's a comprehensive indoor air purification solution. The main filter features a sturdy aluminum alloy frame and electrostatic technology, achieving MERV 8 filtration efficiency to effectively capture common household dust, pollen, pet dander, and particles. More importantly, it now includes 4 additional replaceable MERV 13 high-efficiency filter pads for enhanced purification against finer particles—ideal for allergy seasons or households seeking superior air quality. Say goodbye to the ongoing expense and resource waste of disposable filters. Our permanent air filter is easily washable and reusable, designed to last for years. Whether used in central air conditioning, heating systems, or fireplaces, this combo delivers lasting, dual-action protection, ensuring you and your family enjoy fresh air at home or in the office.

• 1. 【Upgrade Combo, Dual Protection】: kotru 20x20x1 reusable air filter Includes 1 permanent MERV 8 aluminum filter and 4 replaceable MERV 13 filter pads. MERV 8 handles everyday dust, while MERV 13 tackles finer particles, offering flexible air purification from basic to high-efficiency.
• 2. 【High-Efficiency Electrostatic Adsorption, Filters Common Contaminants】Kotru air filters utilize permanent electrostatic technology to effectively adsorb and capture common airborne particles such as household dust, pollen, pet dander, lint, and fine particulate matter. This helps improve air quality and creates a more comfortable living environment.
• 3. 【Economical and Eco-Friendly, Reusable】: The durable aluminum filter mesh is built to last. Simply rinse it with water to restore it to like-new condition, with a design lifespan far exceeding that of disposable filters. This not only saves you money over time but also reduces the environmental burden caused by discarded filters.
• 4. 【Durable and Long-Lasting Performance】: The filter frame is constructed from premium aluminum alloy, ensuring it won't rust or deform, guaranteeing stable, long-term operation within HVAC systems. The high-strength filter fabric withstands repeated washings, ensuring sustained filtration performance and extended service life.
• 5. 【Wide Compatibility, Plug-and-Play】: The standard Kotru 20x20x1 air filter fits perfectly in most home and office central air conditioning systems, heating systems, fireplaces, and air handling units. Installation is simple—no tools required. Just pop it in to start purifying the air.