Check the listing for details. 2/ 4 /10 Round Arrays For Ionic Ion Detox Foot Spa Bath Chi Cleanse Machine. Color: Black, Condition: New. Listed at 19.99 USD. Detail: The arrays come with standard 1/4 inch diameter jacket plug compatible with most detox foot spa machines. Arrays normally can be used between 100-200 times before needing replaced. These arrays are well-made with a molded composite plastic exterior and top-grade stainless steel internal coils. Each array contains dual spiral-activating coils for superb ion production and comes with our 100% satisfaction guarantee. Clean the arrays by soaking in white vinegar for 10 minutes and air dry it to increase serve life. Package Contents AS YOU CHOOSE Detox Array CareBe sure to clean your array after each use for longer lasting performance. Clean with dish soap and water, then soak in 100% white vinegar for 10 minutes or soak in 50/50 mixture of water and vinegar for 30 minutes. If more than one person is using the array, soak in a hospital grade disinfectant for 10 to 30 minutes, rinse with water and let air dry.Then put it in the bag, do not expose to the air for a long time, or the array will be oxidized, can not achieve the same number of life! Specifications:-material: stainless steel & ABS-color: black-weight:0.44lb each-size:2.75" x 2.75" x 3.9" FeaturesIonic Detox Foot Bath Arrays, Round Stainless Steel Coils for Foot Spa MachinesDurable lasts between 60-80 uses eachStandard Size,compatible with all the detox machineDouble row coils instead of single like othersStainless steel for superior performanceThere are 11 coins,the diameter of the spring is 1.1",others is 1"Low maintenance,just spray with water and brushManufactured with a hole in the botton for internal cleaning access Benefits of detoxificationImprove arranging poisonous ability oneself of the body;Relieve the burden of the body organ;Promote metabolism and blood circulation;Increase the vigor of cells;.Improve the sleep effectively.