20x20x5 (4 3/8) Honeywell/Lennox Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filter 1 Pack Travel Bags & Backpacks This blend promotes a stronger

This blend promotes a stronger root system

The controller regulates three spectrum bands for best growth

The added humidity offered by coco coir aids in egg incubation

Temperature Range: 0-80°C/32-176°F

and safeguarding your hard work from oxidation

20x20x5 (4 3/8) Honeywell/Lennox Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filter 1 Pack Travel Bags & Backpacks This blend promotes a strongerImportant 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,