20x25x4 (3 5/8) Pleated MERV 7 Air Filters 6 Pack Pumps & Irrigation The FloraFlex® Incubator™ System is

The FloraFlex® Incubator™ System is designed to accelerate growth through patent pending aerated convection

Features include a digital display

oil-less motor

heavy-duty wall-mountable aluminum bracket—NO RUST

Reduces waste by allowing composting of substrate once the grow cycle is complete

20x25x4 (3 5/8) Pleated MERV 7 Air Filters 6 Pack Pumps & Irrigation The FloraFlex® Incubator™ System isImportant 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 20x25x4 filter