The Filbur FC-9950 is a compatible replacement for the following spin filters:
The FC-9950 Spin Filter Round Grid Pool & Spa Filter is a compatible replacement circular spin grid with a 13 inch x 2.5 inch hub. The center core of this Filbur D.E. filter grid is reinforced for added strength and durability, and seams that are stitched with strings resistant to chemicals and fraying. This Filbur circular spin grid is perfect for applications requiring a Diatomaceous Earth filter.
FC-9950 Spin Filter Round Grid Pool & Spa Filter specifications: