Merv 11 Pleated Air Filter - 13" x 13" x 1" Quantity:4-pack from the air stream

from the air stream

This is a 5" MERV 10 HIGH PERFORMANCE AIR FILTER

these can be purchased in any conceivable size

Simply cut a hole

Easy Installation and ServiceåÊ

Merv 11 Pleated Air Filter - 13" x 13" x 1" Quantity:4-pack from the air streamAny 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.