Safe and Healthy: This for vision spa is designed for spa pools and hot tubs. for vision spa filter provides clear,odor-free spa pool water from water flowing through the water management system. Comfortable experience: for Vision spa tub filter in hot tub filtration cleansing soaks are effective in continually improving water quality as they circulate through the hot tub,are gentle on the skin,and make you feel as comfortable as if you were in an all-natural spa! Service Life: filter,up to six (6) months - Replace every six (6) months for minimal maintenance, helping to keep your water cleaner,longer,and less labor intensive for up to six (6) months. Colour: Material:Plastic Package Contents: 1 * for vision spa Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.