3/8" Male to 7/16" Female Regulator Adapter (AA51)

Quick answer: This is a regulator accessory from Aqua.

Why it's worth a look

Hoses, adapters and mouthpieces are where a breathing setup gets dialed in. The right hose length and routing can make your rig noticeably more comfortable across a bigger frame.

Specs

• Brand: Aqua
• Purpose: Converts 1st Stage 3/8"Threaded HP Port to 7/16" Threaded HP Port
• HP or LP: HP
• Materials: Chrome Plated Brass
• Compatibility: Vintage Regulator 1'st-Stage w/3/8" Threaded HP Ports
• Thread Size: 3/8" Male to 7/16"
• Working Pressure: 3,442 psi (237 bar)

Before you buy

Confirm thread size, port type and compatibility with your regulator. Anything that connects to life-support equipment should be installed and checked by a qualified technician. Read Best Scuba Mouthpieces for Comfort and Control. More options: Regulators.