20x24x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 12 Pack sprayers Simple to install and adapt

Simple to install and adapt the dust cover to fit onto your existing Tom's Tumbler

or 1500 grams per run

High salt concentrations in media can cause the shrinkage and death of plant cells due to the excess draw of water through cell walls

Be sure to review item numbers and descriptions carefully before ordering

The Pargro product line averages 14% drier than Cultilene Comfort Blocks™

20x24x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 12 Pack sprayers Simple to install and adaptNordic 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