Hose Barbs can get brittle and crack over time and should be inspected annually for deterioration. If your Hose Barb leaks or snaps, ozone can't get into the pool. This means you're using more chemicals and water balancing is more difficult than it needs to be.
DEL Ozone's 7-0127 Hose Barb:
Which Hose Barb do YOU need?