Merv 8 Pleated Air Filter - 14" x 14" x 1" Quantity:4-pack The "Practical Pleat" contains over

The "Practical Pleat" contains over 500% greater surface area than a MERV 10 one-inch pleat

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oxidation and deterioration

And there are no metal parts that could lead to corrosion or oxidation within the filter

This is designed to fit into 1" Return Air Grilles

Merv 8 Pleated Air Filter - 14" x 14" x 1" Quantity:4-pack The "Practical Pleat" contains overAny Kind of Filter's Extended Surface Pleated Filters outperform ordinary furnace filters with medium efficiency and are designed for lower pressure drop, and long service life which reduces HVAC equipment maintenance and energy costs. A higher MERV rating means that the air filter that you are about to purchase possesses a higher amount impurity filtration ability than your ordinary filter.