C-8425 | Unicel Jandy CS250 250 Sq. Ft. Cartridge | R0462500

The Unicel C-8425 is a high-capacity replacement cartridge filter specifically designed for the Jandy CS250 filter system, serving as a direct substitute for R0462500. With 250 square feet of spunbonded polyester media and approximately 250 pleats, this cartridge efficiently traps fine debris while maintaining strong flow. It measures 33⅛″ in length and 8⅝″–8 15⁄16″ (8.9375″) outer diameter with both end caps open and 4″ inner openings. Built to OEM specifications, the C-8425 ensures a precise fit and dependable performance, helping pools maintain clarity, reduce chemical usage, and extend time between cleanings.

Highlights

• Direct OEM Replacement: Designed as a drop-in substitute for R0462500 in Jandy CS250 filter assemblies—with matching dimensions and open end configurations for seamless installation.

• High Filtration Surface Area: 250 sq ft of 4-oz spunbonded polyester media over ~250 pleats enables superior dirt-trapping while preserving flow efficiency.

• Precise Dimensions: Measures 33⅛″ in length and ~8 15⁄16″ (8.9375″) outer diameter with 4″ inner openings at both ends—ensuring compatibility with Jandy CS250 filter housings.

• Robust Construction: Engineered from durable spunbonded polyester media and sturdy end caps, it withstands repeated cleanings, chemical exposure, and regular pool operation.

• Enhanced Pool Efficiency: By delivering clearer water, lowering backpressure, and allowing longer filtration cycles, it helps reduce pump stress and chemical demand over time.

Compatibility

• Jandy CS250 Filters

Additional Info

This section covers the Unicel C-8425, a 250 sq. ft. cartridge replacement for Jandy CS250 filters. Learn about its dimensions, compatibility, and how to confirm fitment in store.

Cartridge Fit and Dimensions

The C-8425 measures 33⅛″ in length, ~8 15⁄16″ diameter, and features 4″ open ends. It is a direct substitute for Jandy part R0462500 in CS250 housings.

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When to Replace the Cartridge

Replace cartridges when filter pressure rises 8–10 psi above baseline or when clarity declines. The C-8425’s 250 pleats extend service intervals.

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Buying C-8425 In Store

Bring your old cartridge for comparison. Local staff can verify part numbers and dimensions to ensure proper match before purchase.

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