Merv 11 Pleated Air Filter - 23 1/4" x 23 1/4" x 2" Quantity:12-pack from the air stream

from the air stream

the greater it's resistance to airflow

The Pad and Frame Air Filter involves a permanent frame and replaceable filtration pad inserts

They are easy to clean by simply backwashing every month with cold water so you don‰۪t need expensive cleaners

the A+2000 uses stage loading

Merv 11 Pleated Air Filter - 23 1/4" x 23 1/4" x 2" Quantity:12-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.