Contractor Series CS415 – Oval Tub -Filter 20 Square Feet – X268521 – PMA20-F2M

$40.99

Genuine Master Spas X268521 replacement filter for CS415 and Clarity 415 oval tubs. 20 sq ft, 4-3/4″ x 8-1/16″, 2″ MPT bottom. Cross-references Pleatco PMA20-F2M, Unicel 4CH-252, Filbur FC-0140.

Description

Master Spas X268521 Replacement Filter for Contractor Series CS415 & Clarity 415 Oval Tubs

The X268521 is a genuine OEM replacement filter cartridge designed for the Master Spas Contractor Series CS415 and Clarity Series 415 oval hot tubs. This 20 sq ft filter provides effective mechanical filtration for smaller oval-format spas, capturing debris and particulates to maintain clean, clear water.

Specifications

  • Filter Area: 20 sq ft
  • Outer Diameter: 4-3/4″ (4.75″)
  • Length: 8-1/16″ (8.0625″)
  • Top: Handle (closed top, no hole)
  • Bottom: 2″ MPT (Male Pipe Thread)

Cross-Reference Part Numbers

  • Pleatco: PMA20-F2M
  • Unicel: 4CH-252
  • Filbur: FC-0140

Compatibility

  • Master Spas Contractor Series CS415 Oval Tub
  • Master Spas Clarity Series 415

Replacement Guide

Replace the filter cartridge every 12–18 months depending on usage, or sooner if water flow decreases or the filter shows visible wear. Rinse with a garden hose between replacements to extend filter life. Works with the X268522 filter cover in the 415 series filter housing.

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SKU: X268521
Hot tub parts and maintenance