Nayoku Hot Tub in-Line Replacement Cartridge Compatible with Frog @Ease in-Line Mineral Cartridge System for Marquis, Artesian, Caldera, and Hot Springs Spas up to 600 gallons CYA Free, Pack of 4

Nayoku Hot Tub in-Line Replacement Cartridge Compatible with Frog @Ease in-Line Mineral Cartridge System for Marquis, Artesian, Caldera, and Hot Springs Spas up to 600 gallons CYA Free, Pack of 4

• ✅Compatible with: Our Hot Tub in-Line Replacement Cartridge Compatible with Frog in-Line Mineral Cartridge System for Marquis, Caldera & Hot Springs Spas.
• ✅COMPATIBILITY: For use only in certain hot tub models up to 600 gallons: Artesian Elite, Artesian Island (optional on Artesian Island Elite and South Seas); Marquis Crown (optional on Marquis Elite, Vector, and Celebrity); Caldera Vacanza; and Hot Spring Hot Spot.
• ✅ 75% LESS *: The In-Line System uses up to 75% less* so it’s easier on skin, hair, swimsuits, and your hot tub’s surfaces. Not only is the water wonderfully soft, but it is also odor-free.
• ✅VALUE PACK: Includes 4 Cartridges, each lasts up to 3-4 weeks depending upon hot tub size and usage; ideal for a 600-gallon hot tub
• ✅After-sales Guarantee: If you are dissatisfied with the product, just contact us by email, and we will sincerely seek the most satisfactory solution for you. Your satisfaction is our pursuit, to helping you solve the problem is our responsibility.