Fatsac Ballast Bag Air Release Vent W749

Fatsac W749 Air Release Vent Plug – designed to manage water displacement in your ballast system with reliable, straightforward functionality.

This essential component helps maintain proper air circulation within your Fatsac ballast bags, ensuring smooth operation and consistent performance on the water. A practical addition to your boat's ballast setup. Features: • Air release plug • Turn to release air • For manual filling, not for venting automatic systems • With O-Rings