SCBA breathing apparatus

Materials: 6061 Aluminium alloy,carbon fiber of superior quality.SpecificationOuter Diameter(mm)Water Volume(L)CRPIII-85-1.0-30-T851CRPIII-115-1.4-20-T1151.4CRPIII-115-1.6-20-T1151.6CRPIII-96-2.0-30-T962CRPIII-128-2.3-20-T1282.3CRPIII-140-2.3-20-T1402.3CRPIII-128-2.4-20-T1282.4CRPIII-135-2.4-20-T1352.4CRPIII-128-2.5-20-T1282.5CRPIII-135-2.5-20-T1352.5CRPIII-132-2.6-20-T1322.6CRPIII-132-2.7-20-T1322.7CRPIII-114-3.0-30-T1143CRPIII-135-3.0-30-T1353CRPIII-137-4.7-30-T1374.7CRPIII-157-6.0-30-T1576CRPIII-157-6.8-30-T1576.8CRPIII-161-9.0-30-T1619CRPIII-208-12.0-30-T20812