25 Square Foot Rainbow, Waterway Plastics, Custom Molded Products. Replacement for: Accent Spas; Acryx-Maax Spas (Canada); Apollo Spas; Aqua Mystic; Blue Falls Mfg. Ltd. (Canada); Dakota Spas; Emerald Spas; Hot Springs Spas 33521; Moonwater Spas; Nordic Hot Tubs (Note: Model dated after 7/99.); PDC Spas; Pentair Pool Prod R173429 (Note: Product can also be replaced with C-4625 (4-ounce)); Pentair Pool Prod R173429 (Note: Product can also be replaced with C-4625 (4-ounce)); Pentair Pool Prod R173429 (Note: Product can also be replaced with C-4625 (4-ounce)); Pentair Pool Prod R173429 (Note: Product can also be replaced with C-4625 (4-ounce)); Pentair Pool Prod - Rainbow Plastics 17-2327; Pentair Pool Prod - Rainbow Plastics 17-2327; QCA; Rec Warehouse 303909; Rec Warehouse M-4326; River Valley Spas; Safari Spas; Signature Spas; Streamline Spas; Thermo Spas of Connecticut; US Spas; Viking Spas ; Waterway Plastics 817-2500; Waterway Plastics M-4326; Pentair Pool Prod - Rainbow Plastics 17-2327; Custom Molded Products 25392; Custom Molded Products 25392; Custom Molded Products 25392; Waterway Plastics 817-2500; Coleman Spas 3301-2242; Coleman Spas 100586; Beachcomber 3005845; Orca Bay Spas 2501; Rubadub Tub; Hot Spot 33521; Coast Mountain Spas (Canada); Honey Tubs; Spa Manufacturers Inc.; Sun Ray Spas (Canada); Waters Edge Spas; Great Lakes Home & Resort; Islander Spas; Royal Spas; Jacuzzi Premium 373045; Zone Spas