It is a CE certified closed-circuit breathing apparatus with a chemical oxygen generator for personal escape from the atmosphere lacks oxygen or is contaminated with toxic gaseswithin 30 minutes.

It is a CE certified closed-circuit breathing apparatus with a chemical oxygen generator for personal escape from the atmosphere lacks oxygen or is contaminated with toxic gaseswithin 50 minutes.

It is a CE certified closed-circuit breathing apparatus with a chemical oxygen generator for personal escape from the atmosphere lacks oxygen or is contaminated with toxic gaseswithin 60 minutes.

It isa closed-circuit breathing apparatus with a chemical oxygen generator for personal escape from the atmosphere lacks oxygen or is contaminated with toxic gaseswithin 30 minutes.

It is an open-circuit breathing apparatuswhich filters carbon monoxide andis used for personal emergency escape from underground miningwithin 60 minutes.

It isa closed-circuit breathing apparatus with acompressed oxygen cylinderfor personal escape from the atmosphere lacks oxygen or is contaminated with toxic gases within 30 minutes.

It is a closed-circuit breathing apparatus with acompressed oxygen cylinderfor personal escape from the atmosphere lacks oxygen or is contaminated with toxic gases within 45 minutes.

This product uses medical compressed oxygen as the gas source and is self-rescue device for closed-circuit respiration systems.