Certified by Water Quality Association WQA - AF Series nitrate selective resin is WQA Gold Seal certified and meets NSF/ANSI 61 guidelines. ResinTech SIR 100-HP the highest operating capacity of any nitrate selective resin. ResinTech SIR 100-HP is uniform particle size, low pressure-drop and superior physical stability.
Fits Residential & Industrial Size Housings
AF Series cartridges are double-open end cartridges that fit all housings
Oversized cartridge for maximum media fill
AF Series cartridges have up to 50% higher capacity & extend cartridge life.
Quality Produced & Made in the USA
To ensure consistent quality and peace of mind for the consumer all drinking water media are WQA Gold Seal or NSF Certified. Cartridges are produced by Aries FilterWorks, a division of ResinTech. Strict quality control & media production allows complete traceability over every cartridge.