Filtration Media — Air

Activated carbon adsorbs the gases, vapours and odours that a particle filter lets through, and the right grade depends on the contaminant. ERE's UltraSorber air-phase media: UltraSorber-BC for air-emission contaminants and TOC, UltraSorber-CNS coconut-shell carbon in 55 lb boxes, Voc-Carb for VOCs (a blend of BC and VPP-Carb), MER-Carb sulfur-impregnated for mercury vapour, KOH-Carb impregnated with potassium hydroxide for acid gases and H2S, AMMO-Carb phosphoric-impregnated for ammonia, VPP-Carb, a zeolite with 6% potassium permanganate that oxidizes pollutants, and CannaSorb for cannabis odour and terpenes. They fill ERE's carbon units and vessels; see air treatment systems.

Air filtration media FAQ

Plain or impregnated carbon?

Plain carbon handles VOCs and most odours. Some gases are held poorly by carbon alone, so impregnated grades react with them instead: sulfur for mercury, potassium hydroxide for acid gases and H2S, phosphoric acid for ammonia.

How long does a carbon fill last?

It depends on the airflow, the contaminant and its concentration, and the weight of carbon in the vessel. Send us the concentrations and the airflow, and we will size the fill and estimate the change-out.

Which media for odours?

Voc-Carb or UltraSorber-BC for general organic odours, KOH-Carb where H2S is the cause, and CannaSorb for cannabis odour. For odour products and filters, see odour control.