Sherwood Fill Whip Adapter 

Also fits SSI Spare Air Bottles 

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Need to put together a fill whip for filling your cylinders with yoke style valves? The Sherwood Yoke Filler with Bleeder might just fit the bill. A standard scuba yoke with large easy to use hand wheel screw and threaded bleeder on a threaded block (chromed brass) assembly for filling conventional scuba tanks. Inlet is ported 1/4 FNPT and is rated for 3200 psi (220 bars) service pressure. Adapter requires a shut off valve at the panel. Allows for filling of cylinders equipped with a standard yoke-style valve from a compressor or storage system. Sherwood Yoke Fill Adapter with Bleed:  Key Component for Fill Whip  Attaches to 1/4" Filler Hose  Durable Chrome Plated Marine Brass Construction  Standard Yoke Valve Use  Durable Threaded Bleeder Valve  Strong Plastic Yoke Hand Wheel  Design: 3200 psi (220 bars) Service Pressure