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The C-5345 Unicel Spa Cartridge is a professional-grade 45 sq ft replacement filter, designed as a direct match for Rec Warehouse S2/G2 spas and also compatible with Rainbow and Waterway filtration systems. Manufactured with spun-bonded polyester media, it offers reliable resistance against spa chemicals while maintaining structural integrity under frequent use. With approximately 230 pleats, this cartridge delivers high dirt-trapping efficiency and extended life between cleanings. Its 5-5/16" diameter, 10-1/8" length, and 2-1/8" open end caps make it a precise replacement for OEM filters, providing spa owners with an easy installation and consistent water clarity.
Highlights
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Generous 45 sq ft Capacity: Enhanced pleat count maximizes dirt-holding ability, extending cleaning cycles and improving overall spa maintenance efficiency.
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Strong Polyester Media: Spun-bonded polyester construction ensures chemical resistance and long-term durability under continuous spa use.
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Precision OEM Dimensions: Sized at 5-5/16" diameter × 10-1/8" length with 2-1/8" open ends, offering a seamless drop-in replacement.
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Broad Compatibility: Fits Rec Warehouse S2/G2 spas while also integrating with Rainbow and Waterway systems for versatile application.
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Maintains Hydraulic Flow: Pleat geometry promotes steady circulation, helping pumps operate efficiently and keeping spa water crystal clear.
Specification
- Outside Diameter: 5-5/16″
- Length: 10-1/8
- Inner-Diameter: 2 -1/8″
Additional Info
The Unicel C-5345 45 sq ft cartridge is a high-quality replacement for Rec Warehouse S2/G2, Rainbow, and Waterway spa systems. This section explains installation, compatibility, and troubleshooting for customers ordering online with free shipping.
Installing the C-5345 Cartridge at Home
This cartridge measures 5 5/16″ × 10 1/8″ with 2 1/8″ open ends. Installation is straightforward—just drop it into the housing and secure the filter lid.
How do I install the Unicel C-5345 spa filter step by step?
Why won’t the 45 sq ft cartridge align after shipping?
Can I order the C-5345 cartridge online with free shipping included?
Do I need to rinse the filter before first-time use?
Checking Online Compatibility
The C-5345 is designed for Rec Warehouse S2/G2, Rainbow, and Waterway systems. Confirming dimensions online ensures correct ordering.
Does the Unicel C-5345 fit my Rec Warehouse G2 spa filter?
How can I confirm online that my spa requires a 45 sq ft cartridge?
Is this cartridge also suitable for Rainbow spa systems?
Can I order multiple C-5345 cartridges online for fast delivery?
Troubleshooting Filtration Issues
Clarity issues or high pressure may indicate clogging or housing misalignment. Installing a fresh C-5345 helps restore clear spa water.
Why is my spa water still cloudy after replacing with C-5345?
How often should I clean or replace the Unicel C-5345?
What should I check if the cartridge collapses under pressure?
Will SOSPool.com ship the C-5345 cartridge free of charge?
Questions & Answers
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