AIRNOW FIREHOSE

METAL COUPLINGS AND FITTINGS FOR USE WITH AN AIR HOSE CONTAINED WITHIN A FIRE HOSE; METAL COUPLINGS AND FITTINGS FOR USE IN CONNECTING AN AIR HOSE TO A SELF-CONTAINED BREATHING APPARATUS; AND METAL COUPLINGS FOR USE WITH A PLASTIC OR RUBBER AIR HOSE LOCATED WITHIN A CANVAS-COVERED FIRE HOSE

AIR HOSES CONTAINED WITHIN A FIRE HOSE; AND AIR HOSES WITHIN FIRE HOSES FOR SUPPLYING AIR TO A FIREFIGHTER