12x24x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 6 Pack lighting_accessories Filter: ½" MERV 8 washable

Filter: ½" MERV 8 washable

Midges (Chironomus decorus)

Pressure Gauge

The benches are designed to accept flood tables

Grow1 Heavy Duty Greenhouse Replacement Cover for Hoop House SKU 641232

12x24x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 6 Pack lighting_accessories Filter: ½" MERV 8 washableNordic 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