- Pack of 2 genuine Intex Type S1 filter cartridges
- The S1 Cartridge Filter is sure to keep your PureSpa Jet Massage water clean and fresh
- Made with easy-to-clean, heavy-duty Dacron paper for the ultimate filtration
- For maximum efficiency, clean cartridges each week and replace once a month or sooner
- Works with all Intex PureSpa models including - 28403E, 28407E, 28443E, 28453E, 28421E, 28423E, 28413E, and 28453E
