This 4-person portable hot tub is crafted with advanced Fiber-Tech Technology, ensuring extra durability and a puncture-proof 3-ply laminated material that stands up to seasonal use. Immerse yourself in the ultimate blow-up spa experience with 140 high-powered bubble jets enveloping the spa's interior, providing a soothing and invigorating massage for you and your companions. The inflatable spa tub comes equipped with an easy-to-use, wireless control panel, allowing you to customize temperatures effortlessly. Choose your preferred warmth from a range of 68 to 104 degrees Fahrenheit, providing the ultimate comfort tailored to your desires. Indulge in the added features that make this blow-up hot tub 4-person spa a cut above the rest. The built-in hard water treatment system ensures water quality, while the inclusion of headrests and a color-changing LED light enhances your spa experience. Moreover, maintaining the pristine condition of your hot tub inflatable spa has never been easier. Easy to maintain, each hot tub filter cartridge should be cleaned weekly and replaced monthly, giving you a full year of excellent water quality. Turn your backyard into a personal oasis with the Intex PureSpa Plus Greystone 4-Person Inflatable Hot Tub with 6 PureSpa Type S1 Easy Set Spa Filter Replacement Cartridges. Unwind, rejuvenate, and enjoy the luxury of a spa experience whenever you desire.