16x20x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 1 Pack Air Filter VYPR 2x is an ideal

VYPR 2x is an ideal greenhouse grow light or indoor high ceiling grow light for low DLI crops and operations looking to extend their photoperiod

Use OxiPhos throughout the growing season to both prevent and control plant pathogens

not only within one slab but also between slabs

Optional Accessories:

Only one operator required

16x20x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 1 Pack Air Filter VYPR 2x is an idealImportant 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