Sales only to commercial customers. No sales to consumers within the meaning of §13 BGB.
Venturi Oxygen Mask including 7 colour-coded diluters with various oxygen concentrations.
Blue: 24 % (4 L O2)
White: 28 % (4 L O2)
Orange: 31 % (6 L O2)
Yellow: 35 % (8 L O2)
Red: 40% (8 L O2)
Pink: 50 % (12 L O2)
Green: 60 % (15 L O2)