1/2" Female × 3/8" Male Adapter — Streamline Your Regulator Setup

Small yet essential, this 1/2" female to 3/8" male adapter allows divers to connect standard low-pressure hoses to regulators with a larger 1/2" LP port. It’s a precise, reliable accessory that ensures gear compatibility and performance in any dive scenario.

Key Features & Benefits

• Enables use of standard low-pressure hoses on regulator first stages equipped with oversized 1/2" ports

• Crafted from chromed brass for long-term durability and corrosion resistance

• Factory-cleaned and equipped with a Viton O-ring for superior sealing and Nitrox readiness

• Rated for low-pressure applications, suitable for second-stage regulators and BCD inflator hoses

Detailed Description

Some regulators designed for advanced or heavy-duty diving applications, such as technical or cold-water use, include oversized 1/2" low-pressure ports. While these were once more common, most modern low-pressure hoses are now standardized to the smaller 3/8"-24 thread. This mismatch can create difficulties when setting up your equipment - especially if you rely on custom hose lengths or want to avoid unnecessary replacements.

The 1/2" female × 3/8" male adapter solves this problem by bridging the difference. With it, divers can continue to use their preferred hoses while maintaining a safe, streamlined regulator setup. Whether you’re configuring your primary second stage, an alternate air source, or a buoyancy compensator inflator hose, this adapter delivers a secure, leak-free connection.

Constructed from chromed brass, the adapter offers excellent resistance to corrosion in saltwater environments and stands up to repeated use. Its compact design ensures it won’t interfere with hose routing or contribute to bulk, making it an unobtrusive but highly practical solution. The inclusion of a Viton O-ring ensures chemical resistance, long life, and compatibility with enriched air mixes, giving divers added peace of mind.

Rated exclusively for low-pressure use (up to approximately 200 psi), this adapter is engineered to perform within the working range of scuba regulator systems. It cannot be confused with high-pressure fittings, which use different thread standards. By carrying one in your dive bag or save-a-dive kit, you can avoid costly hose replacements or unexpected delays when encountering a regulator with an oversized LP port.

Specifications

• Function: Converts a 1/2" LP port to standard 3/8" hose fitting

• Material: Chrome-plated brass

• Threads: Inlet 1/2"-20 UNF (female), Outlet 3/8"-24 UNF (male)

• Sealing: Viton O-ring, factory-cleaned

• Pressure Rating: Low pressure only, up to 200 psi

Keep your setup flexible - add the 1/2" female × 3/8" male adapter to your dive kit and ensure complete regulator compatibility on every dive.