Hydrotech (RS-22-CB5-EB) Clack Microline Compatible 5 Micron Carbon Filter Pentek (155247-43) 20"x4.5" RFC-20BB Radial Flow Carbon 25 Micron Filter; RFC20-BB Common compatible cartridges include Pentek

Common compatible cartridges include Pentek DGD series

This indicates the carbon block is loaded and filtration efficiency is compromised

📏 Compact 8" Design

small UV sterilizers

Requires periodic replacement of Pentek EPCB carbon block cartridge

Hydrotech (RS-22-CB5-EB) Clack Microline Compatible 5 Micron Carbon Filter Pentek (155247-43) 20"x4.5" RFC-20BB Radial Flow Carbon 25 Micron Filter; RFC20-BB Common compatible cartridges include PentekThe Hydrotech RS 22 CB5 EB is a 5 micron carbon block prefilter engineered for Clack Microline compatible reverse osmosis systems, removing chlorine, taste, and odor before water reaches the TFC membrane. This second stage filter is designed specifically for Hydrotech E, M, Pro, and 1240 Series systems, delivering reliable protection for downstream membrane life. SPECIFICATIONS Filter Specifications Filtration Rating 5 Micron Carbon block media