Stainless Steel Spool is precision made by InMac-Kolstrand for the Gresen S-75 Selector Valve
If you intend to have your selector valve mounted on deck, it must be equipped with the Stainless Steel Spool.
Spool kit comes complete with new precision made Stainless Steel Spool, (2) Stainless Steel Retaining Rings and (2) O-Ring Seals, ready to install
InMac-Kolstrand Stainless Steel Spool Kit - For Gresen S-75 Selector Valve