Filter Standpipe and Cap Combo Upgrade

Obsolete: No factory suggested replacement available at this time. Please contact our technicians for advice (805) 541-9000 or wizard@backyardplus.com.

Upgrade replacement standpipe (36531) and cap (36513) combo for all single filter Hot Spring and all Tiger River spa models to enable you to use the FreshWater® AG+ Silver Ionizer cartridge. The AG Plus Silver Ionizer is inserted into the top of the standpipe and is suspended within. The 71827 cartridge filter fits over this standpipe.