20x25x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 12 Pack Environmental Controllers Stainless steel probes deliver fast

Stainless steel probes deliver fast and accurate readings with ten times better resolution

4' x 4' (120x120cm) Bloom stage

Big Boy Pants™ Plain Jane™ Coconut Fiber is the basic foundation for your growing program

4 Square Meters Respectively) Of Crop Canopy With Three New RAZR Models

Made from 100% recycled materials

20x25x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 12 Pack Environmental Controllers Stainless steel probes deliver fastNordic 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