Merv 11 Pleated Air Filter - 19" x 23" x 1" Quantity:12-pack The SpeedLight uses powerful magnets

The SpeedLight uses powerful magnets to hold the mounting plate in place

In general

The secret behind the A+2000‰۪s custom air filters performance is the patented stage loading/peak and valley design

Simply cut a hole

No holes needed for installation in coil area

Merv 11 Pleated Air Filter - 19" x 23" x 1" Quantity:12-pack The SpeedLight uses powerful magnetsAny 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.