These cartridges are used for controlling formaldehyde, hydrogen sulfide, sulfur dioxide, etc. Consists of four cylindrical cartridges for the GCX Chemisorber system, containing 32 lbs. (14.6 kg) of granular impregnated alumina (IA/4). Average filter life is approximately 2 years and 5 months based on average daily usage, but filter life can vary based on actual usage and pollution levels.
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