Reliant Cluster Cartridge Bulkhead Union/Fitting for C3425 / C3525

Part # 647311907
   Item is sold as EACH, not in a pair

Bulkhead Union/Fitting for C3425 / C3525 Cluster Cartridge Filters
(AKA Quad Cartridge Filters)

Item# 18 (on diagram)
See pictures for measurements

Recommended to also replace the following to parts
Bulkhead Slip Fitting: Part # 91301001B
Stand Pipe O-Ring: Part # 65431073080