Hot Tub Filters
Hot Tub Filters and Essential Filter Cleaning for Optimal Performance
Maintaining your hot tub’s filtration system is crucial for clean, safe water. Regular filter cleaning and timely replacement prevent bacterial growth common in warm water environments. Effective filtration keeps your hot tub inviting, reduces maintenance needs, and ensures a healthier soak.
Wide Range of Popular Hot Tub Filters UK
We carry a wide selection of hot tub and spa filters for all makes and models, both classic and modern. Stocked in the UK and shipped quickly from our Hampshire warehouse, our filters are available with fast delivery nationwide. Use our website to find your perfect filter by size, model, or attachment type (including screw-on options).
Guides and Filter Cleaning Resources
- Replacement Guide:
Learn how to find the correct hot tub filter cartridges for your spa - Above-Ground Pool Filters:
Check our guide for Intex pool filters and other popular models.
Hot Tub Filter Cleaning
- See our separate category for products relating to hot tub filter cleaning.
- Read our guide on how to clean hot tub filters which includes hot tub filter hacks for cleaning and making hot tub filters last longer.
All our Darlly hot tub filters come with a 1 year guarantee.
So if the plastics break or the fabric degrades, we will replace it!
Top-Quality Hot Tub Filters at Competitive Prices
We stock only the best filters, built to the highest standards. Use our attribute menus to search by brand, size, description, or manufacturer product codes. Find quality filters for all popular hot tub models at some of the UK’s best prices.
- SC830 - 15cm Hot Tub Filter Cartridge for Bullfrog Spas & Villeroy and Boch Spas15cm Hot Tub Filter Cartridge from Darlly, suitable for Bullfrog Spas & Villeroy and Boch Spas / 8CH-950. Learn More£34.75Out of stock
- SC797 - 34cm Hot Tub Filter Cartridge for Hayward34cm Hot Tub Filter Cartridge from Darlly, suitable for Hayward CX1260-RE / C-6450. Learn More£34.64Out of stock
- SC817 - 25cm Hot Tub Filter Cartridge for Dream Maker Spas25cm Hot Tub Filter Cartridge from Darlly, suitable for Dream Maker Spas / PDM30. Learn More£34.64Out of stock
- SC777 - 38cm Hot Tub Filter Cartridge for Cal Spas and Multiple Spas38cm Hot Tub Filter Cartridge from Darlly, suitable for Cal Spas and Multiple Spas / C-5374. Replaces SC810. Learn More£34.09
- SC711 - 18cm Hot Tub Filter Cartridge for Vita Spa and Leisure Bay Spas18cm Hot Tub Filter Cartridge from Darlly, suitable for Vita Spa and Leisure Bay Spas/ C-8350. Learn More£34.05Out of stock
- SC773 - 27cm Hot Tub Filter Cartridge for Caldera Spas27cm Hot Tub Filter Cartridge from Darlly, suitable for Caldera Spas / C-7451. Learn More£34.05Out of stock
- SC786 - 27cm Hot Tub Filter Cartridge for Caldera Spa27cm Hot Tub Filter Cartridge from Darlly, suitable for Caldera Spas / PCD50N. Learn More£34.05Out of stock
- SC729 - 20cm Hot Tub Filter Cartridge for Down East Spas and Master Spas - replaced by SC73920cm Hot Tub Filter Cartridge from Darlly, suitable for Down East Spas and Master Spas/ C-8341. Use in conjunction with SC725 (PMA10). Learn More£34.05
- SC790 - 30.3cm Hot Tub Filter Cartridge for HotSpring and Tiger River Spas30.3cm Hot Tub Filter Cartridge from Darlly, suitable for HotSpring and Tiger River Spas / C-6600. Learn More£32.99Out of stock
- SC702 - 39cm Hot Tub Filter Cartridge for Jacuzzi, Marquis and Cal Spas39cm Hot Tub Filter Cartridge from Darlly, suitable for Jacuzzi, Marquis and Cal Spas / 6CH-960. Learn More£32.99Out of stock
- SC768 - 26cm Hot Tub Filter Cartridge for Clearwater Spas and Multiple Spas26cm Hot Tub Filter Cartridge from Darlly, suitable for Clearwater Spas and Multiple Spas / C-5300. Learn More£32.40
- DDL718 - 20cm Hot Tub In-Line Sanitisation Filter Cartridge for Artesian Spas, Maax Spas and Vita Spas (dosing dispenser included) - Discontinued
20cm Hot Tub In-Line Sanitisation Filter Cartridge for Artesian Spas, Maax Spas and Vita Spas (dosing dispenser included). - Discontinued - Please see DL718+
Learn More£31.89Out of stock