Overview

High efficiency replacement spa filter cartridge designed for Arctic Spas Classic Series and Core Series models from 2009 to present. This threaded cartridge provides reliable filtration to help keep spa water clear and reduce debris in your circulation system.

Key features

• Threaded connection for secure, leak free installation
• Durable pleated filter media for extended service life and improved dirt holding capacity
• Direct replacement for part number PRT-900003
• Designed specifically for Arctic Spas Classic Series and Core Series spas from 2009 to present

Compatibility and part details

• Vendor part number PRT-900007
• Replaces PRT-900003
• Compatible with Arctic Spa Classic Series 2009 to present
• Compatible with Arctic Spa Core Series 2009 to present

Installation and maintenance

• Turn off spa power before removing the filter housing
• Unscrew the threaded cartridge and replace with the new unit making sure it seats and threads properly
• Rinse filter monthly with a garden hose and deep clean with a filter cleaning solution every 3 months or as required by spa use
• Replace filter annually or sooner if damaged or heavily soiled to maintain water flow and filtration efficiency

Buying tips

• Confirm the part number and physical dimensions before purchase to ensure correct fit
• Compare OEM and aftermarket filters for media quality and thread type when seeking longer life or cost savings

Why replace your filter

Fresh filters improve circulation, reduce load on pumps, and help maintain balanced, clear water. Regular filter replacement prevents debris buildup and improves overall spa performance.

If you need help confirming fit or locating installation instructions for your spa model, contact our parts team and provide your spa model and serial number for assistance.