Kirby Morgan 510-672 Foam Replacement Kit For Old Style Head Cushion and New Chin Cushion Underwater Grinder This simple yet unique design

This simple yet unique design has a flow-by piston that mechanically balances the air of the first stage ensuring excellent breathing characteristics at full or low cylinder pressures

Materials 6061 T6 hard coat anodized aluminum

580 Hex Shank

Navy and European diving standards

Tempered Glass

Kirby Morgan 510-672 Foam Replacement Kit For Old Style Head Cushion and New Chin Cushion Underwater Grinder This simple yet unique designKirby Morgan 510 672 Replacement Foam Set For Old Style Head Cushion (510 682) and New Chin Cushion (510 683). PART # DESCRIPTION QTY. 510 658 Foam, Right Side 1 510 660 Foam, Neck 1 510 664 Foam, Top 2 510 666 Foam, Left Side 1 510 667 Foam, Chin 1