• Pentair Sta-Rite PLM300 Replacement Filter Cartridge, 300 sq ft 27002-0300S
  • Pentair Sta-Rite PLM300 Replacement Filter Cartridge, 300 sq ft 27002-0300S Image
  • Pentair Sta-Rite PLM300 Replacement Filter Cartridge, 300 sq ft 27002-0300S Key Features
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Pentair

Pentair Sta-Rite PLM300 Replacement Filter Cartridge, 300 sq ft 27002-0300S

Pentair Sta-Rite PLM300 Replacement Filter Cartridge, 300 sq ft 27002-0300S

$620.23 USD
$620.23 USD
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If you are experiencing reduced flow and cloudy water despite cleaning your filter, a worn cartridge may be the cause. The Pentair Sta-Rite PLM300 Replacement Filter Cartridge provides 300 sq ft of high-quality filtration media to restore optimal performance. 

Looking for the PLM320 element? 

What makes the Pentair Sta-Rite PLM300 replacement cartridge the right choice for my pool filter?

The PLM300 cartridge is made to fit select Pentair and Sta-Rite cartridge filters, so you get reliable and consistent filtration every time. Built with Pentair’s engineering and supported by ShastaPoolSupply.com, this cartridge helps your system run smoothly and dependably.
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Key Features

  • Genuine Pentair Sta-Rite OEM replacement cartridge
  • 300 sq ft filtration area for excellent debris capture
  • Designed specifically for Sta-Rite PLM300 filters
  • Improves water clarity while maintaining strong flow
  • Durable, high-quality filter media with reinforced end caps
  • Easy removal and installation during routine service

Technical Specifications

  • Brand: Pentair Sta-Rite
  • Part Number: 27002-0300S
  • Filter Type: Cartridge
  • Filtration Area: 300 square feet
  • Compatible Filter Model: Sta-Rite PLM300
  • Material: High-performance pleated filter media
  • Includes: One replacement cartridge

Specs

  • Part Number: 27002-0300S
  • Manufacturer: Pentair

Expert Comparison & Pro Tips

Compared to aftermarket cartridges, the Pentair 27002-0300S delivers more consistent pleat spacing and stronger structural support. Generic cartridges often collapse early or cause higher pressure due to inferior media.
Pro Tip: Rinse the cartridge thoroughly every 4–6 weeks during peak season. Deep clean with a cartridge cleaner when pressure rises 8–10 PSI above clean pressure to extend cartridge life.

Our Expert Verdict: Real-World Results

In real pool service conditions, the Sta-Rite PLM300 paired with the OEM 27002-0300S cartridge delivers excellent clarity with longer cleaning intervals. Homeowners notice steadier pressure, improved circulation, and less strain on pumps. Installation is quick, and the cartridge holds up well over multiple cleanings. Backed by Shasta Pool Supply’s fast shipping and knowledgeable support, this OEM cartridge is the reliable choice for keeping your PLM300 filter performing at its best.

How often should I replace my Sta-Rite PLM300 filter cartridge?

Most pool owners replace the cartridge every 2–3 seasons, depending on bather load, environment, and maintenance habits. If the pleats remain stained, frayed, or pressure no longer drops after cleaning, replacement is recommended. The Pentair 27002-0300S restores full filtration performance and protects your equipment.

Best For: Ideal Pool Types & Conditions

This replacement cartridge is best for in-ground residential pools using Sta-Rite PLM300 cartridge filters, especially pools that demand high water clarity with minimal maintenance. It’s ideal for medium-to-large pools and homes that run variable-speed pumps, where maintaining proper flow is critical. Pools in dusty, leafy, or high-use environments benefit from the large filtration surface area. This cartridge is also a smart choice for seasonal replacements or full filter refreshes.

Best for: Sta-Rite PLM300 cartridge filter systems

Not ideal for: Other Sta-Rite models or non-PLM cartridge filters

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What our customers are saying

Outstanding experience. My order was confirmed and shipped the same day. The part was a factory sealed Pentair part and was exactly as specified.

Matt S

Super efficient. Terrific customer support! My new go-to pool part supplier

James N

Website easy to navigate, reasonable prices, orders promptly filled and delivered.

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