16x20x2 Furnace Air Filters MERV 8 Pleated Plus Carbon 3 Pack MH They feature a plastic housing

They feature a plastic housing and a bayonette style

Bloom FX can be used in both soil and hydroponic systems

Although it's active ingredients are corn and soybean oil

With good care and use (keeping the probe tip wet and cleaning once a month) you will extend its life

This highly efficient method of injection helps maintain more consistent CO2 levels while saving money year round on expensive CO2 tanks

16x20x2 Furnace Air Filters MERV 8 Pleated Plus Carbon 3 Pack MH They feature a plastic housingNordic Pure 16x20x2 MERV 8 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