DCH-SS - Stainless Steel Double Cartridge Holder. Used on SS BX1200, SS BX3000, SS BX5000, SS BXL2500 & SS BXL5000. Threaded end screws into SS Swiveling Impeller Housing to accept two filter cartridges. Male threads, 1-1/2" - 11-1/2 NPSM (National Pipe, Straight Mechanical)
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