Pleatco Advanced Ultra-S18 Bandless Cartridge
Pleatco Advanced Ultra-S18 Bandless Cartridge
Pleatco Advanced Ultra-S18 Bandless Cartridge is backordered and will ship as soon as it is back in stock.
ALL SALES FINAL - Read More
ALL SALES FINAL - Read More
During our Total Liquidation Sale, all sales will be final for purchases made on or after 9/3/2026. Exchanges are permitted only for merchandise that is defective or damaged upon receipt. For issues covered under a manufacturer's warranty, please contact the manufacturer directly.
To read more about this sale, please see our FAQ page.
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Pleatco Advanced Ultra-S18 Bandless Cartridge
The Pleatco S-18 Ultra Cartridge Filter (65 sq. ft.) is primarily used in Cal Spas, Leisure Bay, Waterway Plastics, Maax Spas, Emerald and Clearwater Spas. It is often a replacement for top-load skim filters (S2/G2) in these brands. It also fits models by California Cooperage, Rec Warehouse and Rainbow Plastics.
Key Compatibility Details:
- Filter Cartridge Area: 65 sq. ft.
- Filter Cartridge Actual Diameter: 5 ⁵⁄₁₆"
- Product Height: 14 ¹³⁄₁₆"
- Filter Holes (Top and Bottom): 2 ⅛"
- Interchangeable Part Numbers: Pleatco PLBS75, Unicel C-5374, Filbur FC-2971 and Rainbow R173600
- Primary Brands: Cal Spas (LP 75 sq. ft.), Leisure Bay/Rec Warehouse, Waterway Plastics
- Other Compatible Brands: Maax Spas, California Cooperage, Clearwater Spas
