High Pressure Cleaning Hose - Hydraulic Hose & Fittings - Aeroquip Gh421, Per Metre - ID 9.5mm - GH421-6 High pressure cleaning hose for use in the sanitation & cleaning field with non polluting cover. Also, high pressure hydraulic systems with petroleum & water glycol based fluids. High pressure cleaners for food, labour and swimming bath areas. Construction: Synthetic NBR rubber tube, 1 wire braid reinforcement; synthetic rubber cover, grey.