Onyx provides superior pool and spa filters for your water filtration needs.

Onyx provides superior pool and spa filters for your water filtration needs. Here at Filters Fast, we carry filters that fit into Onyx systems, as well as many other brands.

Onyx Pool and Spa full product list:

Filbur FC-3063 Replacement For Onyx 50 Pool & Spa Filter
(FC-3063)

The Filbur FC-3063 Onyx 50 Pool & Spa Filter is a compatible replacement pool and spa water filter cartridge constructed with premium polyester media that has sharp pleated folds for trapping dirt and other contaminants. This pool filter is also bui

In Stock! Ships in 1 to 2 business days.