Practical Pleated Air Filter (2-Pack) - 17 5/8" x 35 5/8" x 5" Quantity:Default Finally they are factory made

Finally they are factory made so you don‰۪t have to deal with the hassle of trying to cut and size your custom air filters and they come with a full warranty

In general

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

some just refer to them as electrostatic filters

They are easy to install with custom air filters made to the sizes that you specify

Practical Pleated Air Filter (2-Pack) - 17 5/8" x 35 5/8" x 5" Quantity:Default Finally they are factory madeYes, we even have the odd sizes! The "Practical Pleat" media is up to 28 times more effective at capturing particles than standard fiberglass panel filters. In general, the more efficient a filter is at removing particles, the greater it's resistance to airflow, and the greater the pressure drop it creates. One way to overcome this problem is to increase the surface area of the filter media. The "Practical Pleat" contains over 500% greater surface