General description The 4 Pcs Spa Mineral Ion Filter Stick is designed to enhance water quality in spas, effectively reducing impurities and providing a comfortable spa experience. These mineral sticks work efficiently in both cold and hot water, ensuring a good cleaning effect. Technical specifications Quantity: 4 filter sticks Material: Plastic Color: Grey Duration: Lasts up to 120 days Measurement allowed error: +/- 1-3 cm Usage Simply add the mineral sticks to your water care system to improve water quality. They are not affected by heat, making them convenient and easy to use. Other information