12x25x2 Furnace Air Filters MERV 12 Pleated Plus Carbon 12 Pack Aeromixer Synthetic Pro Edition Easily control the ultimate pressure

Easily control the ultimate pressure of this dual-stage rotary vane vacuum pump thanks to its adjustable gas ballast

High phosphate in the plant usable form ideal for deficiency correction or as a young plant starter

• Superior reliability

5V AAA batteries (3 pcs

Coordinates supplemental CO2 with your ventilation equipment

12x25x2 Furnace Air Filters MERV 12 Pleated Plus Carbon 12 Pack Aeromixer Synthetic Pro Edition Easily control the ultimate pressureNordic Pure 12x25x2 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