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Compatible Replacement for Sta-Rite 25230-0125S and Sta-Rite 25230-0150S. Cross-References Pleatco ULTRA-B4, Unicel C-8417 and Filbur FC-1294.
SKU XLS-803 1PACK · UPC 810625020617
Confirm your fit
Pick your brand: Hayward Star-Clear Plus C1750 →Waterway ProClean 125 / 150 / 175 / 200 (Long) →Sta-Rite Posi-Clear PXC125 / Posi-Clear PXC150
The XLS-803 is a replacement cartridge for the Sta-Rite Posi-Clear PXC125 and Sta-Rite Posi-Clear PXC150. It replaces Sta-Rite 25230-0125S and Sta-Rite 25230-0150S, along with aftermarket Pleatco ULTRA-B4 / PA175, Unicel C-8417 / C-8413 and Filbur FC-1294 / FC-3459. The same cartridge fits the other filters listed under Compatibility.
Each cartridge is 8 15/16" in diameter and 28 3/16" long with 4" ID w/ Molded Gasket end caps top and bottom, and carries 200 sq ft of filter media.
We make every cartridge in Austin, Texas, and shipping is free.
Measure your old cartridge cap to cap, then across the widest pleat.
How to measure a cartridge →Measuring your old cartridge
A variance of ⅛" is normal. Anything larger usually means a different housing model — check the number printed on your old cartridge against the compatible parts list before ordering.
Match your filter housing below, click any part number to verify the fit, or paste your existing part number into the search box.
Filter housings and systems this cartridge fits
OEM and competitor cartridge part numbers this product replaces
The Perfect Fit Guarantee applies to the cross-references listed here. Brand names, models and part numbers identify compatibility only. If your housing is not listed, reach out to our team before ordering.
Can't find your part number? Look it up on the full pool filter cartridge cross-reference chart.
Still unsure after reading these? Send us the number stamped on your old cartridge and we will confirm the fit.
It fits the Sta-Rite Posi-Clear PXC125 and Sta-Rite Posi-Clear PXC150. The same cartridge also fits the other filters listed under Compatibility. Check the model on your filter tank before you order.
The Excel Filters XLS-803 replaces Sta-Rite 25230-0125S and Sta-Rite 25230-0150S. Aftermarket equivalents: Pleatco ULTRA-B4, Unicel C-8417 and Filbur FC-1294.
8 15/16" diameter, 28 3/16" long, 200 ft² of media (end caps — top: 4" ID w/ Molded Gasket, bottom: 4" ID w/ Molded Gasket). Matching measurements alone do not prove a fit: some of our cartridges share a size and differ in filtration area or end caps, so check the part number on your old cartridge too.
No. The XLS-803 is an independently manufactured replacement cartridge, made in the USA by Excel Filters and built to match the Sta-Rite 25230-0125S specification. Sta-Rite is a trademark of its owner, used only to show compatibility.
Most pool and spa cartridges last 1–2 seasons with regular rinsing. Replace it when cleaning no longer restores flow, the pleats fray, or the end caps crack.
XLS-805 • 1-Pack
In stockReplaces: Hayward CX1100RE, Pleatco PA100, Unicel C-8610, Filbur FC-1290
XLS-822 • 1-Pack
Low stockReplaces: Hayward CX1520RE, Pleatco PWWCT150, Unicel C-8414, Filbur FC-1287
*Perfect Fit Guarantee applies to the OEM and aftermarket cross-references listed on this page; brand names, models and part numbers identify compatibility only. We ship to the 48 contiguous United States only; free standard shipping applies to those orders with no order minimum, and expedited service is priced at checkout. Every cartridge carries a 6-month limited warranty against defects in materials and manufacturing, separate from our 30-day return policy.
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