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Out of stock
Filter Size: 18x18x4
Actual Size: 17.5×17.5×4
Actual Size Fraction : 17-1/2×17-1/2×4
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Improve the air you breathe in your home or workplace with our advanced 18x18x4 Air Filters, available for easy online purchase exclusively from Custom Filters Direct. Engineered with precision and designed for optimal efficiency, these filters promise to elevate your indoor air quality, fostering a healthier and more comfortable atmosphere.
Upgrade your air filtration system today by adding the 18x18x4 Air Filters from Custom Filters Direct to your cart. Experience the peace of mind that comes with breathing cleaner, fresher air in your indoor environment. Take a confident step towards creating a healthier and more comfortable living or working space.