16x30x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 6 Pack Garden Accessories The built-in timer allows you

The built-in timer allows you to easily set a 12 hours on/12 hours off schedule or an 18 hours on/6 hours off schedule with a single button press

We are proud to bring you the first FloraFlex® Nutrient line: an easy to use two part powder formula for both the Vegetative and Bloom stages

The AS-1 CO2 Alarm Station is an audio/visual alarm to be mounted inside or outside the room to be monitored

side-canopy and intracanopy light

LED digital reading

16x30x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 6 Pack Garden Accessories The built-in timer allows youNordic 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