Overview The Spare Air 910C Scuba Tank Refill Adapter allows compatible SPARE AIR and HEED units to be filled directly from a full 3000 psi standard yoke-style scuba cylinder. It can be used to refill an empty unit or top off its air pressure to 3000 psi. Compact and easy to travel with, this refill adapter provides a convenient way to recharge a compatible emergency air system without using a compressor. The yoke-style connection attaches to a standard scuba tank valve, while the bleed screw allows pressure to be released from the adapter after filling. Best For Refilling compatible SPARE AIR units from a scuba cylinder Refilling compatible HEED emergency air systems Topping off a compatible unit to 3000 psi Dive travel, boats, and remote diving locations Keeping with SPARE AIR support and refill equipment Not Ideal For DIN-only scuba tank valves without compatible conversion equipment Direct connection to a high-pressure air compressor Cylinders or emergency air systems that are not compatible with the 910C adapter Key Features Scuba Tank Refill Capability: Allows a compatible SPARE AIR or HEED unit to be filled from a full standard scuba cylinder. Yoke-Style Connection: Designed to attach to compatible standard yoke scuba tank valves. 3000 PSI Filling: Can refill an empty compatible unit or top off its pressure to a maximum of 3000 psi. Bleed Screw: Allows trapped pressure to be released from the adapter after the filling process. Travel-Friendly Design: Compact construction makes the adapter convenient to carry with dive and emergency-air equipment. Reusable Accessory: Provides a convenient refill option whenever a compatible full scuba cylinder is available. Specifications Brand: Spare Air Manufacturer: Submersible Systems Model: 910C Product Type: Scuba Tank Refill Adapter Tank Connection: Yoke Style Maximum Fill Pressure: 3000 psi Compatibility: Compatible SPARE AIR and HEED Units Pressure Release: Bleed Screw Compatibility This adapter is designed for compatible SPARE AIR and HEED units that can be filled to 3000 psi from a standard yoke-style scuba tank. Confirm your unit&&';;s model, refill-port requirements, and rated fill pressure before use. What&';s Included One Spare Air 910C yoke-style scuba tank refill adapter Bleed screw Not Included SPARE AIR or HEED unit Scuba cylinder DIN tank adapter Air-compressor refill adapter FAQs What does this refill adapter connect to? It connects a compatible SPARE AIR or HEED unit to a full 3000 psi standard yoke-style scuba tank. Can it refill a completely empty unit? Yes. It can be used to fill an empty compatible SPARE AIR or HEED unit or top off its pressure to 3000 psi. Does this adapter work with DIN tank valves? This is a yoke-style adapter. A different compatible adapter or conversion setup is required for a DIN-only tank valve. Are the scuba tank and SPARE AIR unit included? No. This listing includes the refill adapter and bleed screw only. Care & Maintenance Keep the refill adapter clean, dry, and protected from dirt, sand, and moisture when not in use. Inspect the fittings, sealing surfaces, O-rings, and bleed screw before each use. Follow the manufacturer&&';;s filling instructions and never exceed the rated 3000 psi fill pressure. Expert Insight The Spare Air 910C is a practical accessory for divers who want to refill or top off a compatible SPARE AIR or HEED unit using a standard scuba cylinder. Before ordering, confirm that your tank uses a yoke valve and that your emergency air unit accepts the 910C refill connection.