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

Crafted boldly with new technology

Floats on pool surface to attract and absorb scum-causing liquids

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

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