🚚 Free Shipping on orders $100 or more!
Unicel® C-2302 – 25 Sq Ft Rainbow/Waterway Spa Filter Cartridge – part #C-2302
Unicel® C-2302 – 25 Sq Ft Rainbow/Waterway Spa Filter Cartridge – part #C-2302
Unicel® C-2302 – 25 Sq Ft Rainbow/Waterway Spa Filter Cartridge – part #C-2302
Unicel® C-2302 – 25 Sq Ft Rainbow/Waterway Spa Filter Cartridge – part #C-2302
Unicel® C-2302 – 25 Sq Ft Rainbow/Waterway Spa Filter Cartridge – part #C-2302
Unicel® C-2302 – 25 Sq Ft Rainbow/Waterway Spa Filter Cartridge – part #C-2302
Check Compatibility Before You Buy

Unicel® C-2302 – 25 Sq Ft Rainbow/Waterway Spa Filter Cartridge – part #C-2302

Unicel® C-2302 – 25 Sq Ft Rainbow/Waterway Spa Filter Cartridge – part #C-2302

Type: Filter

SKU: C-2302

Barcode: 678285120036

$30.50
$30.50
Shipping calculated at checkout.

The Unicel® C-2302 replacement cartridge is designed for Rainbow and Waterway spa systems that use a 25 sq ft filter. Made with durable Reemay® polyester media, it offers excellent dirt-trapping performance and high water flow. With a closed top and 1-1/2" SAE threaded bottom, it fits easily into compatible filter housings. Replace your spa filter regularly to ensure clean, healthy water and optimal equipment performance.

Frequently Bought Together
Unicel® C-2302 – 25 Sq Ft Rainbow/Waterway Spa Filter Cartridge – part #C-2302

Unicel® C-2302 – 25 Sq Ft Rainbow/Waterway Spa Filter Cartridge – part #C-2302

$30.50
$30.50

  • High-quality 25 square foot replacement filter cartridge designed for use in Rainbow and Waterway spa filtration systems.

  • Constructed with durable Reemay® spunbond polyester media for maximum filtration efficiency and water clarity.

  • Closed top design and 1-1/2" SAE threaded bottom ensure a snug, leak-free fit in compatible filter housings.

  • Measures 13-5/16" in length and 5" in outer diameter—ideal for compact spa filtration needs.

  • Improves spa water quality by removing dirt, debris, body oils, and other contaminants.

  • Helps extend the life of spa heaters, pumps, and plumbing by preventing clogs and buildup.

  • Easy to clean and reuse; replace every 12 months or sooner depending on spa use.

  • Manufactured by Unicel®, a trusted brand in spa and pool water filtration.

Key Features & Benefits

Frequently Asked Questions

FAQs coming soon! Stay Tuned!

Fast, Free Shipping

Orders over $100 ship free anywhere in the continental U.S.

Competitive Pricing

Premium products at prices that make sense and reasonable.

Authorized Reseller

100% genuine, factory-approved OEM — never aftermarket knockoffs.

Satisfaction Guaranteed

We stand behind every product with 30 days to return.