Darlly SC706 – Premium Spa & Hot Tub Filter Cartridge
Darlly SC706 – Premium Universal Spa & Hot Tub Filter Cartridge
Compatible with Arctic Spas & Sundance 680 Series (up to 2020)
The Darlly SC706 is a premium-quality universal spa filter designed to deliver clean, clear and hygienic water in a wide range of hot tubs, swim spas and compact pools. Manufactured by Darlly, one of the world’s leading spa filtration brands, the SC706 ensures outstanding performance thanks to its high-density, washable pleated media.
This filter effectively removes oils, dirt, pollen, fine particles and organic contaminants, helping improve water clarity and protecting essential spa components—pumps, heaters, circulation systems and control units.
Because of its design and dimensions, the SC706 works not only as a direct replacement for several well-known filter models, but also as a universal fit for many popular spa brands, including Arctic Spas and the Sundance 680 Series (models manufactured up to 2020).
Compatible Filter Codes / Direct Replacements
The Darlly SC706 replaces:
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Darlly SC706
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Pleatco PWW50P3
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Unicel C-4950
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Filbur FC-2390
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Compatible Master Spas & Marquis Spas models
Exact compatibility varies by model and production year. A detailed compatibility confirmation can be provided on request.
Compatible Hot Tub Brands
The SC706 is widely used in:
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Sundance Spas 680 Series (up to model year 2020)
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Arctic Spas (selected models with matching dimensions)
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Master Spas
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Marquis Spas
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Down East Spas
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Freedom Spas
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Leisure Bay Spas
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Hydrospa
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Strong Spas
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Canadian Spa Company
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Vita Spa (selected models)
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Any spa using 50 sq ft filters, open top, and 5 cm SAE coarse thread bottom
Technical Specifications
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Length: approx. 34.5 cm
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Diameter: approx. 12.5 cm
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Top: open hole
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Bottom: 5 cm SAE coarse thread
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Filtration area: approx. 50 sq ft
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Material: Reemay® high-density pleated polyester
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Washable and reusable
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Large debris-holding capacity
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Long service life
Key Benefits
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Premium universal replacement for many well-known spa filter models
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Exceptional water clarity and effective contaminant removal
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High-density pleated media for superior filtration
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Quick and easy installation (screw-in / screw-out)
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Ideal for both daily and heavy spa usage
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Compatible with Arctic Spas and Sundance 680 Series (≤2020)
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Protects pump, heater and circulation components
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Strong, durable construction ensuring long-term performance
Maintenance Recommendations
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Rinse the filter every 1–2 weeks
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Deep clean with a filter cleaner every 4 weeks
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Replace every 4–6 months depending on usage intensity
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For best results, use two filters in rotation