519-5219B Center Core Segment Waterway Clearwater

This item was previously sold in half segments. Snapping 2 together would make 1 circular core. It is now sold as 1 complete core.

Core Centers for all filter sizes can be assembled by stacking as follows:

• 2 cores for 75 square foot
• 3 cores for 100 square foot
• 4 cores for 150 square foot