Aerostar 21 1/4 x 23 1/4 x 1 MERV 8 Pleated Air Filter, 6 Pack

The 20x20x1, MERV 8, 6-Pack air filters are designed to effectively capture microscopic particles such as lint, dust mites, spores, and pollen, helping to maintain a healthier indoor environment. These filters are comparable to MPR 600 and FPR 5 standards, ensuring high filtration efficiency with low air flow resistance.

The 16x25x1, MERV 8, 6-Pack air filters share the same features, providing a cost-effective solution for improving indoor air quality. With a thickness of 1 inch, these filters are easy to install and can be replaced every 2-3 months for optimal performance.

The 20x25x1, MERV 8, 6-Pack air filters offer similar benefits, with a slightly larger size to accommodate different HVAC system requirements. The 1-inch thick filters are compatible with both AC and furnace systems, ensuring consistent air filtration throughout the year.

For those seeking a more robust filtration option, the 20x25x4, MERV 8, 6-Pack air filters provide a 4-inch thickness, allowing for longer filter life and enhanced air purification. These filters are recommended to be replaced every 3-6 months, depending on usage.

The 12x12x1, MERV 8, 6-Pack and 16x20x1, MERV 8, 6-Pack air filters cater to smaller HVAC systems, maintaining the same high-quality standards and performance as the larger models. With a 1-inch thickness, these filters should be changed every 2-3 months for optimal indoor air quality.

All of these air filters are constructed with 100% synthetic electrostatic media, ensuring high efficiency and low air flow resistance. For best results, it is recommended to replace the filters every 60-90 days, with increased frequency during peak summer and winter months.

Regardless of the filter size, these MERV 8 air filters are designed to work seamlessly with both AC and furnace systems, providing a simple and cost-effective way to improve the overall health and comfort of your home environment.

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