Sizes range from 1/4" to 1-1/4" inch. APPLICATION: Petroleum base hydraulic fluids and lubricating oils. Inner Tube: Synthetic rubber. Reinforcement: One or two braid steel wire (4-spiral for size 20). Cover: Synthetic rubber abrasion resistant, MSHA accepted. Temperature Range: -40F to +212F (-40C to +100C). Fittings:43 Series