6540-502S SUNDANCE SPAS 780 MICROCLEAN FILTER INNER PRE 2026 chelsee,hamilton,bristol,montclair,dover

Genuine Sundance® Spas MicroClean® inner micro filter (part #6540-502S). This spun-bound microfiber inner filter pairs with the outer cartridge to deliver fine two-stage filtration on pre-2026 780-series and SELECT-series spas.

Compatible Sundance® Spas models:

• 780™ Series — 2002–2025 (pre-2026): Chelsee™, Hamilton™, Bristol™, Montclair™, Dover™, Bahia™, Cayman™, Palermo™, Metro™, Caprio™, CaprioST™, Tango™
• SELECT™ Series — 2011–2018: Constance™, Victoria™

Filter system & related parts:

• Pairs with outer cartridge 6540-501S (sold separately)
• Alternate one-piece pleated filter: 6540-488S (125 sq ft)

Specifications:

• Outside Diameter: 7 7/8 in
• Length: 5 in
• Top/Bottom End Cap: Open, 4 3/4 in inner diameter
• Media: Spun-bound microfiber
• Type: Inner micro filter