Front view of Genuine Pentair Sta-Rite 170145 S7M120 complete inner and outer cartridge pack
Front view of Genuine Pentair Sta-Rite 170145 S7M120 large outer cartridge with white pleated media and black end caps.
Bottom view of Genuine Pentair Sta-Rite 170145 S7M120 large outer cartridge showing black molded end cap and support legs.
Top angled view of Genuine Pentair Sta-Rite 170145 S7M120 large outer cartridge highlighting black radial support spokes.
Front view of Genuine Pentair Sta-Rite 170145 S7M120 small inner cartridge with white pleated media and black molded end caps.
Bottom angled view of Genuine Pentair Sta-Rite 170145 S7M120 inner cartridge showing black molded end cap and standoffs.
Top angled view of Genuine Pentair Sta-Rite 170145 S7M120 inner cartridge showing black end cap and central opening.

Pentair Sta-Rite 170145 S7M120 300 Sq Ft Cartridge Pack

$549.99
$549.99 $599.99
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Product Description
Pentair Sta-Rite 170145 S7M120 300 Sq Ft Cartridge Pack

The Pentair / Sta-Rite 170145 is a genuine OEM replacement inner and outer cartridge pack for the System 3 SM-Series S7M120 modular media filter. It combines a 100 sq ft small inner cartridge and a 200 sq ft large outer cartridge for 300 sq ft of total filtration capacity in compatible pool and spa filtration systems.

PRO TIP: Confirm that your filter is a Pentair / Sta-Rite System 3 S7M120 21-inch modular media filter before installation, and note that this pack does not include the 25021-0004 air-bleed filter or 25021-0003 air-bleed tube.

PRODUCT FEATURES & SPECIFICATIONS

  • Brand: Genuine Pentair (Sta-Rite)
  • Product Type: Replacement Cartridge Pack (Inner & Outer)
  • MPN: 170145
  • UPC: 788379886042
  • Inner Cartridge: 25021-0200S (100 sq ft area)
  • Outer Cartridge: 25022-0201S (200 sq ft area)
  • Total Filtration Area: 300 sq ft
  • Compatibility: Pentair / Sta-Rite System 3 SM-Series S7M120 21-inch modular media filters

FREQUENTLY ASKED QUESTIONS

What filter does Pentair 170145 fit?
It is compatible with the Pentair / Sta-Rite System 3 SM-Series S7M120 21-inch modular media pool and spa filter.

What is included in this cartridge pack?
The pack includes one 25021-0200S small inner cartridge and one 25022-0201S large outer cartridge.

Does the pack include the air-bleed filter and tube?
No. The 25021-0004 air-bleed filter and 25021-0003 air-bleed tube are excluded from this cartridge pack and must be purchased separately or reused from your existing unit.

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