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The Pentek AS-CK Arsenic Cartridge Kit is discontinued from Pentek with no replacement at this time.
The Pentek AS-CK Arsenic Cartridge Kit is designed for use in the Pentek AS-301E Arsenic Reduction System. Kit includes two filters that collectively remove iron, manganese, hydrogen sulfide, Arsenic III and Arsenic V. Part number 255401-43.
The ASCK Specifications:
The Ametek, Pentek, US Filter AS-CK contains two cartridges:
IMS-10 (black cartridge with blue cap) for iron manganese & hydrogen sulfide reduction
GFM-10 (black cartridge with black cap) for AS III and AS V reduction
Water should be analyzed before using these filters as pretreatment may be required.
The AS-CK is for treatment of water containing no more than 50 ppb total arsenic.