The Filbur 11-23405 is the correct compatible replacement for the following filters:
The Filbur 11-23405 5 Micron Pool & Spa Filter is a replacement pool and spa water filter cartridge with a 5 micron rating. This 5 micron filter's pleated polyester media reduces impurities found in pool/spa water and traps them in the cartridge. The Plastisol end caps of this Filbur pool filter are very durable and long lasting. This Filbur spa filter can be used in very demanding applications and environmental conditions.
Filbur 11-23405 5 Micron Pool & Spa Filter specifications: