Dark Heresy - Caladar Star Cluster
Replacement for biological respiratory system
Any bionic lung system gives +20 to toughness mad against airborne toxins and gas weapons
Poor bionic lungs give a -20 penalty to silent move checks.
Good Bionic lungs count as full life support systems and can be built to be unnoticeable.
Bionic Respiratroy system are used to replace a biological part that may be viewed as obsolete or damaged. They give their owner a good bonus if well built, but they are not cheep.