12x24x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 12 Pack flowering Inner Dimensions: 1''

Inner Dimensions: 1''

4 RAW Kelp - 2 oz

This premium flower food is perfectly formulated with ingredients to keep flower bouquets and arrangements looking fresh

ACCURACY - 2% Full Scale

There are six alternate size screens available for your refined results

12x24x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 12 Pack flowering Inner Dimensions: 1''Nordic 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