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Category: 20x25x4
Actual Size: 19.5 x 24.5 x 3.75 in
Nominal Size: 20 x 25 x 4 in
Filtration Rating: MERV 10.
Comparable to MPR rating 600 to 800, or FPR 5-6 rating.
Improved MERV 10 Filtration with similar air flow and resistance as a MERV 8 filter.
Durable & Long Lasting: Heavy-duty frame construction ensures the filter won't buckle, providing reliable performance over time.
Important Notes: - Does not replace 5" inch or 4.375" depth filters. - Please verify the actual filter size needed. - Made in the USA.
Ideal for Residential, Commercial, Schools, Health Care, & Industrial Filtration Applications.
Maintenance Recommendation: For optimal performance, it is recommended to change the filter at least every 3 months.