12x24x4 (3 5/8) Pleated MERV 12 Air Filters 2 Pack Nutrients and Supplements and perlite makes an impressive

and perlite makes an impressive growing media when mixed with compost or your favorite potting soil

langbeinite

It fits on either the ONA Gel Pail or ONA Gel Jar (both of which are 4 liters/1 gal)

Designed and made in USA

12x24x4 (3 5/8) Pleated MERV 12 Air Filters 2 Pack Nutrients and Supplements and perlite makes an impressiveNordic Pure 12x24x4 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