16x20x4 (3 5/8) Pleated MERV 15 Air Filters 6 Pack spl_hi Pure Coco chips made of

Pure Coco chips made of premium quality coco husks processed to specs and utmost quality standards

The RootBuilder II container system has many holes with downward facing protrusions all around the container

00 - Height (in): 12

for an increase in the size and mass of flowers

User-defifined Grow Schedules and Spectrum for Specifific Strain

16x20x4 (3 5/8) Pleated MERV 15 Air Filters 6 Pack spl_hi Pure Coco chips made ofImportant 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 16x20x4 filter