Filter For Hot Spring Spas (Item #TRI-X, 73178) The Tri-X filter is 3-dimensional to more effectively filtrate by depth and surface, creating a longer time between cleaning cycles. Tri-X filters will fit on most 1990 to current Hot Spring spa models. If you are interested in using this filter - FANTASTIC! Email us with questions. Dimensions: Diameter 6" Length 10.5" Inside Dia. 1-15/16" Part# 73178.
If you need a set of FIVE (5), see our ad for specials on our 5-pack.
The Tri-X is more durable than paper filters, and they can be cleaned n the dishwasher (NO soap, NO heat cycle).