Waterway / Waterco / Rainbow RDC50, RTL 50 top load filter cartridge. Can also be used to replace the RDC25, as it's the same physical size but has more pleats. Has a flat top and bottom with open hole each end. Suits Waterway top load/in-line, Waterco top load, Rainbow RDC/ RTL filters - also some Chinese made filters 50 sqft filtration.

A common cartridge used on many spas dating back 20 years. See other images for some of the more common filter bodies. Listing is for the replacement cartridge only.

Filter dimensions: 

• Height: 340mm or 338mm
• Width: 126mm or 125mm
• Hole ID: 54mm or 55mm
• Replaces RFILADF50B on Dyad, Crew, Connect, Tribe, Inspire, 817-5000, MRA50-1B, FC-FAA309, FC-237, mRD50, mrd50-1b

More Information:

• Physically kept in stock, unlike many "Drop-shipping" websites.
• Shipped Fast
• Pick-Up Available - (Please Order Online or Contact us first)