Merv 13 Pleated Air Filter - 9 1/2" x 19 1/2" x 1" Quantity:12-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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They are easy to clean by simply backwashing every month with cold water so you don‰۪t need expensive cleaners

the more efficient a filter is at removing particles

This is a 5" MERV 10 HIGH PERFORMANCE AIR FILTER

Merv 13 Pleated Air Filter - 9 1/2" x 19 1/2" x 1" Quantity:12-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.