18x18x1 Furnace Air Filters MERV 12 Pleated Plus Carbon 2 Pack refurbished-products Integra Boost 24 Oxygen Scavengers

Integra Boost 24 Oxygen Scavengers + 1 Oxygen Indicator per barrier bag / 19 bags per box

complete Nutrient feeding system

air passages are formed

It accepts virtually all wattages and types of halide or sodium bulbs

Activates immune system and create pest and disease resistance

18x18x1 Furnace Air Filters MERV 12 Pleated Plus Carbon 2 Pack refurbished-products Integra Boost 24 Oxygen ScavengersNordic Pure 18x18x1 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer. This results in less flow restriction and 33% more surface area for cleaner smelling air. It will help eliminate unwanted odors as well as trap most airborne dust and particulate matter for fresh, clean air. Odorous gases and vapors (VOC) are attracted to and held by the activated carbon material