20x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 2 Pack king shredder Thanks to its dual side-by-side

Thanks to its dual side-by-side design

In addition to the nutritional benefits

100% BPA free virgin ABS plastic cap over recycled ABS plastic core

This sturdy container is strong enough for shipping and attractively styled for selling

Lotus Pro Series Grow is specially formulated to give your plants exactly what they need to produce lush

20x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 2 Pack king shredder Thanks to its dual side-by-sideImportant Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air conditioner filter. It's best if you measure your air filter for the EXACT size and compare it to our "Actual Size" and then you can be sure your A C air filter fits! With the 4" and 5" air filters there is a wider variance between the nominal and actual size depending on the manufacturer. If you are replacing a 4 3 8 depth 20x20x4 filter