20x35x2 Pleated MERV 14 Air Filters 3 Pack HPS Choose your desired CO2 parts

Choose your desired CO2 parts per million (PPM) level

Magnesium is essential for chlorophyll production in plants

Included with each DL Speedy Matte Black Bill Counter is an operation manual

Extendable cloth pH junction

Top stitching to allow for easier filling

20x35x2 Pleated MERV 14 Air Filters 3 Pack HPS Choose your desired CO2 partsNordic Pure 20x35x2 Trane Replacement RTU ( Roof Top Air Handling Unit) Pleated Air Filters MERV 14 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, smog, allergens, virus carriers, bacteria, mold spores and other contaminants are removed.