HOTUBJOY Spa Mineral Sticks Replacement Cartridge for Hot Tub (1, Blue and 1, Grey) - Mineral cartridge replacement

• The Blue mineral cartridge replacement is prefilled mineral contents. And the Grey prefilled mineral cartridge come with refillable design,after minerals runs out,you could add materials you wanna. Net minerals contents for each cartridge replacement are 0.40 Lbs,filter capacity up to 2500 Gallons/9464L and 2880 hours. Protects you and your family from potentially dangerous heavy chemicals and unknown ingredients. Makes hot tub water filtration more thorough and ensures that your spa time is cozy and comfy every time. Vvbuy 5th generation mineral technology helps protect the investment you've made on your hot tub and spa set up. Allows your hot tub filter system to release maximum filter capacity when being cleaned,which also allows for reduced spa maintenance costs. High-quality mineral elements brings you 4 months fresh crystal clear hot tub water,giving you a superior of spa experience,enjoy clean water affordably. Hotubjoy Spa Mineral Cartridge maximize your spa's performance,reduces energy cost,operating stress on your filter,and extends its service life. Small brand,Big heart.Hotubjoy provides you with big name brand services with the small brand costs.now you can enjoy superior quality filtration service and while spending less.