Tier1 Pool & Spa, Hot tub Filter Replacement for Jacuzzi J300 6541-383, PJW60TL-OT-F2S, Filbur FC-2715, Unicel 6CH-961 Models for J300 Series Hot Tubs - Pleated Water Filter SPA FILTER CARTRIDGE REPLACEMENT: This Tier1 Jacuzzi 6541-383 replacement filter cartridge can be used in place of your PJW60TL Spa filter too. Brand New, too late to send back. Top blue cap has one tab missing but you can just use your old cap in its place. Amazon price is $106 Ridgetown Asking $40