Inflatable Spa: Portable 6-person inflatable round hot tub spa with 170 soothing high-powered jets and a full maintenance kit for an all-inclusive experience Durable Design: Extra durable Fiber-Tech Construction and puncture-resistant 3-ply laminated material ensure the spa stands up to use in all seasons, providing long-lasting reliability Adjustable Comfort: Easy-to-use, wireless control panel for customized temperatures ranging from 68 to 104 degrees ensures adjustable comfort for the ultimate spa experience Features: Includes an insulated cover, 2 filter cartridges, thermal ground cloth, inflation hose, carry bag, floating chlorine dispenser, test strip for easy maintenance, and 6-pack of Type S1 filter cartridges Ultimate Filtration: 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 Let your worries bubble away as you unwind in the Intex model 28441EP PureSpa Plus Portable Inflatable Hot Tub with 6 Type S1 Filter Cartridges. The PureSpa provides relaxation at the touch of a button for up to 6 people with its easy-to-use control panel that activates 140 high-powered bubble jets surrounding the interior of the spa for a refreshing massage. Schedule when you want the spa to be heated and control the temperature with the Intex smartphone app. This particular PureSpa also features built-in LED lighting, headrests, and a built-in hard water treatment system that reduces calcium buildup to keep your spa time comfortable. Keep your spa water clean and Intex model 28441EP PureSpa performing at its best by using genuine Intex PureSpa Type S1 Pool Filter Cartridges. These cartridges work with all Intex PureSpas models, including 28403E, 28407E, 28443E, 28453E, 28421E, 28423E, 28413E, and 28453E. For added convenience, this item includes 6 replacement filters to keep your spa clean for up to 6 months. Enjoy your hot tub without stressful maintenance with the Intex PureSpa Plus Portable Inflatable Hot Tub and 6-pack of Type S1 Replacement Filter Cartridges.