Keep your spa water clean and Intex PureSpa performing at its best by using genuine Intex PureSpa Type S1 Pool Filter Cartridges. It works with all Intex Pure Spa models i Replace your filter cartridges regularly for the best results. It is recommended that you replace cartridges every 2 weeks

• Pack of 12 x 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 every 2 weeks
• Works with all Intex PureSpa models