Re placement filter for Nordic branded spas – Bella MS model (after 2017).

• Manufacturer: Waterway Plastics
  
• Waterway Plastics Item Number: 817-3640
• Nordic Item Number: 817-3640

• 125 square feet of pleated filtration media
• Lasts up to 18 months with regular cleanings
• Compatible with SUNPURITY mineral sanitizer (sold separately)
• Designed for older model hot tubs
• Genuine Sundance Spas part # 6540-490
• Fits many 1998–2001 spas (see list below for specifics)

• GENUINE SUNDANCE SPAS PARTS | This filter is manufactured by Sundance Spas, the same company that built your hot tub.
• GUARANTEED COMPATIBLE | This filter, Sundance Spas part # 373043s, is fully compatible with recent Hawthorne, Hartford, and Burlington spas. See list below for compatibility.
• CLEAN, CLEAR PERFORMANCE | A fresh filter makes a huge difference in the clarity and enjoyment of your hot tub. If your filter is over a year old, consider replacing it for maximum performance.
• Height: 9”, Diameter: 6” 45 square feet of filtration material

• Sundance® Original 120sq ft. MicroClean II Filter (Part # 6540-507 and 6540-507s are the same)
• Exclusive Sundance® design with deep pleats optimized for your pump to last up to 18 months!
• Deluxe, quilted pleats capture more debris than smaller filters providing clean, clear water
• No inserts or additional parts needed; this filter alone can keep an 880 or 980 series hot tub clean
• Original Sundance® Filters – No Generics!!

• Long lasting: product can be rinsed clean and reused twice.
• Compatible: Made by Sundance Spas specifically for your hot tub.
• Sundance MicroClean Filter (75 Sq Ft) Part # 6540-501
• Does not include the disposable 6540-502 “doughnut” filter