20x25x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 2 Pack Pumps & Irrigation CO2 devices and heaters) to

CO2 devices and heaters) to the designated outlet within the Niwa Grow Hub+

The only lighting controllers featuring industrial-grade ballast-rated relays

The Model-H is a high performance LED grow light for the horticulture cultivation

Suggested Uses: Use the combination of BLOOM A & B to provide nutritional support for reproductive growth in plants

Each Fan | 120 x 120 x 38 mm ( 4

20x25x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 2 Pack Pumps & Irrigation CO2 devices and heaters) 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. If you are replacing a 4 3 8 depth 20x25x4 filter