10x20x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 12 Pack Air Purification The white outer layer helps

The white outer layer helps deflect light and keep temperatures cooler inside of the tubing

FloraFlexTM Short Rocket Drippers (3" Length) have rocket wings to add stability inside of the media

Natular G30 WSP is the tool to reach for

"We've been running RAY44s as intracanopy lights in our greenhouse for two seasons now

10x20x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 12 Pack Air Purification The white outer layer helpsNordic Pure Half Inch Ring Panel AC Furnace Air Filters consist of an internal frame bonded between flat layers of two different types of electrostatically charged HVAC furnace filter media. The first layer is a high capacity, polyester filter material which acts as a pre filter, capturing large airborne particles. The second, more efficient, layer is a MERV rated smooth poly blend filter material. The electrostatic charge works as a magnet to draw in