XS Scuba AC990 Second Stage Quick Disconnect – The Same Quick-Connect We Use at Sink or Swim Scuba

Make switching between your full-face mask and standard second stage simple, fast, and reliable with the XS Scuba AC990 Second Stage Quick Disconnect. This is the same quick disconnect we use in-store on our own regulator setups, and it’s trusted by both recreational and public safety divers for its durability and convenience.

The AC990 allows you to quickly detach or swap second stages without tools—ideal for divers who alternate between different configurations or need to remove gear for servicing and storage. Its rugged, corrosion-resistant construction ensures years of smooth operation, even in demanding environments.

Key Features

Easy Switching: Instantly change between a full-face mask and a standard second stage.

No Tools Required: Quick-connect design simplifies configuration changes and servicing.

Durable & Reliable: Made from corrosion-resistant materials for long-term underwater use.

Universal Fit: Works with most standard low-pressure regulator hoses.

Trusted by Professionals: The same model used daily at Sink or Swim Scuba and by our public safety dive teams.

Why Divers Choose It

Whether you’re training, teaching, or diving for public safety, the XS Scuba AC990 Quick Disconnect adds flexibility to your setup without sacrificing reliability. It’s a small upgrade that delivers a big improvement in convenience and gear management.