Living Waters Company offers a complete line of Toxic and Combustible Gas Monitors, Emergency Shut-off Systems, Air Scrubbers, Self-contained Breathing Apparatus, and Emergency Repair Kits. Toxic and Combustible Gas Detection Emergency Shut-off Systems for 150 LB and Ton Cylinders Emergency Air Scrubbers Self-Contained Breathing Apparatus (SCBA) Emergency Repair Kits 150 LB (Kit A) and Ton Cylinder (Kit B)