Massive supply JDD Jing Ding 300CC red hose capacity: 300 CC Color: Red Features and Benefits: 1) special patch red hose; 2) the plastic smooth; 3) new material, food grade, clean and high. Syringe parameters: Length: 225mm-226mm diameter: 49.5mm-50.5mm wall thickness: 1.45mm-1.55mm Material: HDPE + LDPE colors: white, red, or custom colors using parameters: pressure range: 12 kg pressure is not broken piston thrust : 2-5 kg ??(depending on the piston may be) the seals: 1) 7 kg lower head pressure holding sealing plug; under 2) 7 kg pressure piston holding sealing; under 3) 7 kg pressure holding sealing the tail plug; head plug knob force: 3 kg head plug off power: more than 20 kg tail plug clamping force: 3 kg tail plug off strength: more than 5 kg Environment: minus 40 degrees to 80 degrees above zero --- Materials Aging: 2 years impact resistance: full Under the circumstances one meter drop of water is not broken