HighLife Filter

This Filter Is a High Quality Replacement and Revolutionizes Spa Filtering and Maintenance. This Official Watkins HotSpring Filter can replace the standard PWK30. The Watkins Tri-X filter is 3-dimensional to more effectively filtrate by depth and surface, creating a longer time between cleaning cycles. Each ceramic fiber Tri-X filter provides 65 square feet of filtration. Fits All HotSprings Spas. The unique design enables it to filter twice the water per minute than a common filter.