Hot Tub Things 130 Sq Ft Spa Filter Set Part #6541-397, Replacement Cartridges for 880 & 980 Series Hot Tubs 2009–2025, Compatible with Sundance Spas 6473-164S & 6473-165S, Advanced Filtration System

Keep your 880 and 980 Series hot tubs performing at their best with the Hot Tub Things 130 Sq Ft Inner and Outer Cartridge Set (Part #6541‑397S). This replacement spa filter features a dual-stage design with a washable outer cartridge and a fine disposable inner cartridge to capture oils, debris, dirt, and other impurities, maintaining clean, clear, and balanced water. Engineered for routine maintenance, it helps protect pumps, plumbing, and spa components from buildup while supporting efficient circulation. Providing approximately 130 sq ft of filtration, this filter set extends periods between cleanings and is compatible with a wide range of hot tub models from 2009 to 2025. This combination filter also includes a compatible replacement for Sundance Spas models 6473‑164S & 6473‑165S, ensuring seamless performance in both Hot Tub Things and Sundance spas. Installation is simple: place the inner cartridge first, then slide the outer cartridge into position. Rinse the outer filter as needed and replace the inner cartridge every 3–4 months for consistent water flow and clarity. Designed for reliable performance, this Hot Tub Things dual-stage spa filter also serves as a compatible replacement for other hot tub filter brands, making it an essential choice for residential and portable spas. Maintain pristine, inviting spa water with minimal effort and enjoy a safe, relaxing soak every time.

• KEEP SPA WATER CRISP AND CLEAN – This Hot Tub Things dual-stage filter keeps your spa water clear, smooth, and debris-free for long-lasting enjoyment, protecting your system and providing consistent, relaxing soak time. Compatible with Sundance Spas 6473‑164S & 6473‑165S.
• PREMIUM DUAL-STAGE CONSTRUCTION – Features a disposable inner cartridge and reusable outer cartridge made from durable pleated materials. Captures oils, dirt, debris, and fine particles while resisting wear for extended performance in spa filters and hot tub systems.
• EASY TO INSTALL AND MAINTAIN – Simply insert the inner cartridge and slide the outer cartridge into place. Designed for hot tub owners, portable and residential spas, this dual-stage filter set supports routine cleaning and effortless water flow maintenance.
• IMPROVES WATER QUALITY AND CLARITY – Removes impurities and debris to keep spa water clean, balanced, and inviting. Helps protect pumps, plumbing, and spa components, ensuring consistent circulation and longer-lasting, fresh water for every soak.
• RELIABLE PERFORMANCE AND DURABILITY – Engineered for long-term efficiency and consistent filtration, this Hot Tub Things replacement spa filter supports dual-stage water purification, provides dependable hot tub operation, and ensures spa filter systems perform at peak levels.