Magnum Filter RD50 - Rainbow / Waterway 50 Spa Filter

Keep your spa water clean and clear with the Magnum Filter RD50. This replacement spa filter cartridge is designed for compatible Rainbow and Waterway 50 spa filtration systems, helping capture dirt, debris and impurities from your spa water while supporting effective filtration and good water flow.

The RD50 was formerly listed as RA50 and has OEM part number 17-2380, making these useful search terms when looking for the correct replacement filter.

Key Features

• Magnum Filter RD50 replacement spa filter
• Also known as Rainbow Waterway 50
• Formerly RA50
• OEM part number: 17-2380
• Suitable for compatible Rainbow and Waterway spa filtration systems
• 338mm length
• 125mm outside diameter
• 54mm hole in top endcap
• 54mm hole in bottom endcap
• Helps remove dirt, debris and impurities from spa water
• Ideal for regular spa filter replacement and maintenance

Why Choose Magnum Filter RD50?

The Magnum Filter RD50 is a replacement cartridge for compatible Rainbow and Waterway 50 spa filtration systems. Its 338mm length, 125mm diameter and 54mm openings at both ends make it easier to compare your existing filter and identify the correct replacement.