Unicel C-7465 | 65 sq ft Sundance 6540-480 Spa Filter Brand_Bullfrog Spas Hot Spring or Caldera spas

Hot Spring or Caldera spas built before model year 2024

A snap ring diverter means diverter valve assembly that is held together (or held into the spa shell) using a snap ring instead of a threaded retaining nut

Designed for built-in installation

Crafted boldly with new technology

Unicel C-7465 | 65 sq ft Sundance 6540-480 Spa Filter Brand_Bullfrog Spas Hot Spring or Caldera spasThe Unicel C 7465 is a 65 square foot replacement cartridge for Sundance spas fitted with a 1 1 2" system, replacing OEM part number 6540 480. It carries 164 pleats across a wide 7 1 2" body, with a closed castle top a sealed end cap with a crenellated, notched rim and an open 2 1 16" bottom that seats over the suction fitting. That 2 1 16" bottom opening is the single most important number on this page, because it is the only thing separating this