28x30x4 (3 5/8) Pleated MERV 12 Air Filters 1 Pack spl_dakine420 Measurement: 18''x9

Measurement: 18''x9

Exacting N-P-K ratios are calibrated to meet the nutritional requirements of the mother plant

Defender PM:

in addition to an extra-large hopper for easier feeding

Sturdy Frame & Connectors

28x30x4 (3 5/8) Pleated MERV 12 Air Filters 1 Pack spl_dakine420 Measurement: 18''x9Nordic Pure 28x30x4 Pleated Air Filters MERV 12 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, smoke particles, virus carriers, bacteria, mold spores and other contaminants are removed. All Nordic Pure pleated air filters are manufactured using a heavy