Prisma Services

Purafil, based near Atlanta USA, is the world's leading manufacturer of filter systems which eliminate corrosion, odours and other effects of undesirable gaseous contaminants such as hydrogen sulphide, sulphur dioxide, chlorine, NOx ethylene etc. Purafil's philosophy of providing in-depth technical back up from its headquarters in Atlanta, USA and through its distributors has resulted in Purafil acquiring its renowned worldwide reputation.

Filter media	Purafil Select, Purafil SP and Odoroxidant have unmatched wide spectrum gas removal capacities. Puracarb and Odorcarb have hydrogen sulphide removal performances well beyond the capabilities of activated carbon. Purafilter is a combination chemical and particulate filter using a bi-component fibre matrix which evenly distributes Purafil's media.
Filter modules	Ranges of disposable, recyclable and refillable modules and panels which meet nearly all application requirements.
Filter systems	Designed for commercial and industrial applications which involve low level and high level contaminant densities. These systems may contain a few grams of media or a few tonnes of media.
OnGuard	A range of instruments which measure real-time copper and silver corrosion and environmental reactivity according to internationally established standards.
Corrosion coupons	Measure copper, silver and gold pore corrosion according to internationally established standards.
CIF	Compressor Intake Filters - designed to protect compressors from failures due to acid gas attack.
EGS	Emergency Gas Scrubbers - individually designed to meet the demanding requirements to protect the environment from events such as chlorine spillage.
Microclimate filtration pad	Filtration pad specially developed to eliminate deterioration of archival materials due to acid gases and other pollutants.
Isolette Sorber	Sachets specially developed to control degradation of cut flowers, plants, fruits and vegetables due to ethylene gas.
Ethylene pad	Filtration pad specially developed to control degradation of cut flowers, plants, fruits and vegetables due to ethylene gas.
Technical Services	Available for media life analysis, electronic / electrical equipment corrosion failure analysis, blower door testing, room infiltration surveys and odour elimination solutions.