Silver Ion Cartridge for Hot Springs Spa, Hot Tub Silver Ion Cartridge with 4 Months Keeps Spa Water Crystal(Grey,4PCS)

Contains 4 Types of Mineral Balls:The silver ion cartridge for Hot Springs spa uses 4 types of natural mineral balls,which can automatically add trace minerals to the hot springs,and can effectively reduce the amount of chlorine and bromine gas used.

Efficient Purification Effect:The hot springs spa stick can significantly improve the look and feel of the water,reduce impurities in the hot springs,and keep the spa water clear and clean.

Long Life and Low Maintenance:Simply place the silver ion cartridge into the existing filter and let it work.The hot tub silver ion cartridge will work continuously for four months.You'll be able to enjoy a hassle - free spa experience for 4 months!

Easy to Install:The silver ion cartridge for hot springs spa for hot tub comes with a complete instruction manual.Follow the steps in the manual to quickly complete the installation

Suitable for Most Hot Tub Filters:The hot tub silver ion cartridge stick for most spa and hot tub filters.The minimum required length for spa hot tub filter mineral rod components is approximately 6.9 inches and the minimum filter hole diameter is 1.8 inches.