Commonly Used In:
Apollo Spas
Aqua Tech Spas
Beachcomber Hot Tubs: OEM Part# 3005820
Canspa Mfg.
Catalina Spas
Clearwater Spas
Diamond Back Spas
Discovery Spas
Dynasty Spas
Esther Williams
Freedom Spas
Legend Spas
Lifestyle Spas
Pentair Pool Products: OEM Part# R173432, 17-2606
Sundance Spas: OEM Part# 6000-134 (requires (x1) c-4401 and (x1) C-4405 together to make up 45sq. ft.)
Thermo Spas of Connecticut
Waterway Plastics: OEM Part# 817-3510
