Merv 8 Pleated Air Filter - 6" x 13 5/8" x 1" Quantity:12-pack And there are no metal

And there are no metal parts that could lead to corrosion or oxidation within the filter

Any Kind of Filter's Extended Surface Pleated Filters outperform ordinary furnace filters with medium efficiency and are designed for lower pressure drop

The "Practical Pleat" contains over 500% greater surface area than a MERV 10 one-inch pleat

You never have to hassle with disposable filters that will end up in a landfill again

This design enables A+2000 custom air filters to maintain performance over the years

Merv 8 Pleated Air Filter - 6" x 13 5/8" x 1" Quantity:12-pack And there are no metalAny 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.