Vian R-5081 Hot Tub Filter (PTL18P4)
Product Overview
The Vian R-5081 Hot Tub Filter (PTL18P4) delivers exceptional filtration performance to maintain crystal-clear, hygienic spa water. Built with high-density pleated fabric and a durable core, it effectively traps dirt, oils, and debris—ensuring a consistently clean and refreshing spa experience.
Perfect for both spa owners and professionals, this reliable cartridge guarantees easy installation, efficient operation, and long-lasting durability for low-maintenance upkeep.
Expertly engineered as a direct replacement for Darlly 40191, Unicel 4CH-21, Pleatco PTL18P4, and Magnum CH19, this filter provides seamless compatibility with Saratoga Spas and Vita Spa systems.
Technical Specifications
| Specification | Details | 
|---|---|
| Brand | VIAN | 
| Product Type | Standard Filter | 
| Filter Media | White, high-density pleated fabric | 
| Length | 200 mm | 
| Diameter | 120 mm | 
| Filter Top | Closed (Handle) | 
| Filter Bottom | 38 mm – Male Fine MPT Thread | 
Key Benefits
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Superior Filtration: Captures fine debris and oils for consistently clear water.
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Durable Build: Designed for long service life and repeated cleaning.
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Perfect Compatibility: Direct-fit replacement for major spa filter brands.
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Easy Maintenance: Simple to install, clean, and replace.
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Improved Water Quality: Keeps your spa water balanced and inviting.
 
Safety & Care
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Always turn off power to your spa before removing or replacing the filter.
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Rinse the filter weekly with clean water to maintain optimal performance.
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Replace every 3–6 months, depending on spa usage and water conditions.
 
Summary
The Vian R-5081 Filter Cartridge combines efficiency, durability, and precision fit. Designed for Saratoga and Vita Spas, it ensures lasting water clarity, dependable filtration, and a cleaner spa environment with minimal maintenance.



