Pentair Rainbow Dynamic 50 Spa Filter Cartridge. Also replaces Unicel C-4950, Pleatco PRB50-IN, Filbur FC-2390 | XLS-408 1PACK by Excel Filters C7471 Acryx-Maax Spas (Canada)

Acryx-Maax Spas (Canada)

Predator 100

Waterway Plastics 817-0150N

Waterway Top load (in-line) 50 sq

Length: 19"

Pentair Rainbow Dynamic 50 Spa Filter Cartridge. Also replaces Unicel C-4950, Pleatco PRB50-IN, Filbur FC-2390 | XLS-408 1PACK by Excel Filters C7471 Acryx-Maax Spas (Canada)compatible alternative pool and hot tub spa replacement for Rainbow Pentair Dynamic 50, Pleatco PRB50, and Unicel C 4950 jacuzzi cartridges. SP PS 2390 is designed to fit spas by Pentair Rainbow, Waterway Plastics, and Viking Spas. Important Specifications: Diameter: 4 15 16" (4. 9375") Length: 13 5 16" (13. 3125") Top Hole: 2 1 8" (2. 125") Bottom Hole: 2 1 8" (2. 125") Top Style: Open Bottom Style: Open Media Area: 50 sqft Weight: 3 oz Compatible