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SPC-25-4005 Pleated Polyester Cartridge, 2.5" x 40", 5 Micron

Part number: SPC-25-4005
Manufacturer: Hydronix (SPC Series)

SPC-25-4005 is a 40-inch, 2.5-inch-diameter pleated cartridge rated at 5 microns. Its non-woven polyester media is pleated around a polypropylene core, with vinyl plastisol ends that form the end cap and gasket. It is sold 20 to a case. FilterBridge Supply takes commercial and public-agency requests for it by part number.

Specifications

SpecValue
Part numberSPC-25-4005
Diameter x length2.5" x 40"
Micron rating5
Nominal or absoluteNot stated for this part
Initial pressure drop1 psi at 20 gpm (0.1 bar at 76 L/min)
Filter mediaNon-woven polyester, pleated
CorePolypropylene
End caps / gasketVinyl plastisol (unified end cap and gasket)
Temperature rating40 °F to 125 °F (4.4 °C to 51.7 °C)
Units per case20
Material complianceManufacturer states all materials comply with FDA requirements for food and beverage contact (21 CFR 174.5, 177.1520, 177.1630) and components meet USP Class VI
NSF certificationNot shown here until confirmed for this exact part number (see FAQ)

Transcribed from the manufacturer's 2025 catalog. Nothing is inferred or converted.

What to check before you order

This page does not say this cartridge works in any particular housing or swaps for any other brand's part. Compare these first:

  1. Housing size. 2.5" x 40". Make sure your housing takes 2.5"-diameter cartridges.
  2. End style. This cartridge has plastisol end caps that also act as the gasket. If your housing needs a spring, fin, or O-ring end, tell us.
  3. Flow. The manufacturer lists a 1 psi initial pressure drop at 20 gpm. Compare that with your system's flow per cartridge.
  4. Temperature. Rated to 125 °F, which is lower than the polypropylene SDC and SWC cartridges in the same size.
  5. Certification. If your spec requires NSF/ANSI 61 or 42, put it in your request.

Same size, different media: SWC-25-4005 (string-wound) and SDC-25-4005 (depth). See the spec comparison guide.

Where it's used

The manufacturer describes SPC cartridges as durable, washable and reusable pleated cartridges with good dirt-holding capacity to extend the time between change-outs. (Source: SPC Series catalog text.) The catalog also carries this warning: do not use with water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system.

FAQ

What's the difference between pleated and depth cartridges?
A pleated cartridge folds a thin media into many pleats, which gives it more surface area. A depth cartridge traps particles through a thick wall. Which works better depends on your water and your system. Our comparison guide explains the trade-offs.
What size is SPC-25-4005?
2.5" diameter x 40" long.
How many per case?
20.
Is it NSF certified?
Tell us which standard your specification requires. We check certification against the manufacturer's listing for the exact part number, and we don't assume it from the product series.
Is it reusable?
The manufacturer calls the SPC Series washable and reusable. Whether reuse is allowed at your site is your call and depends on your procedures.
Can I send another brand's part number instead?
Yes. Send us the part number and we'll tell you what we can supply against it.

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