Baoya respirator, fire fighting equipment, SDP1100 SCBA Lightest weight, Y joint for rescue, Carton fibre cylinder Baoya SDP1100 SCBA ... design patent, Patent NO. 200630040956.42. So far, the lightest backboard; the weight only 0.685kg;3. Great flexibility, It can be ... cylinder valve:1. Carbon fiber composite cylinder, high intensity, light weight, corrosion-proof; excellent in cushion effect.2. Y-type ...