Keep your Intex PureSpa sparkling clean and performing at its best with the Intex PureSpa Maintenance Kit and Type S1 Easy Set Filter Cartridges (2-pack, 4 filters total). Designed specifically for PureSpa inflatable hot tubs, this kit makes spa care simple and effective. The maintenance kit includes everything you need: a curved brush for cleaning spa walls, a durable mesh skimmer for catching leaves and debris, and a scrubber pad to tackle tough dirt and grime. Together, these tools help extend the life of your PureSpa so you can relax and enjoy it for years to come. This set also comes with authentic Intex Type S1 replacement cartridges, compatible with all Intex PureSpa models, including 28403E, 28407E, 28443E, 28453E, 28421E, 28423E, and 28413E. For optimal performance, it's recommended to replace filter cartridges every 2 weeks to keep your spa water fresh, clean, and ready for use.