16x20x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 12 Pleated Plus Carbon 2 Pack Reflective & Greenhouse Films This allows the plant to

This allows the plant to produce large colorful fruits and flowers

nonflammable polyester and is available in various sizes and colors

General Application Rate: 1-5 ml per gallon of water or nutrient solution

can alter and data-log or chart a grow room's environmental conditions

• Outputs 22 - 46 microns particle size—average droplet 20 micron

16x20x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 12 Pleated Plus Carbon 2 Pack Reflective & Greenhouse Films This allows the plant toImportant 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. We also carry 4 7 8 and 5 1 4 inch depth filters,