Model:  kamoer NKCP-B08DTubing Size: 2.5*4.5 (BPT)Flow Rate:(14.6~41.5) ml/minMaterials:Pharmed® BPTFeatures:Non-cytotoxic and non-Hemolytic effect, highly resistant to ozone and UV rays, extreme resistant to the acid and base and heat,anti-aging, antioxidant, long service time,Temperature range from -51℃ - 132℃ Tubing Life: ≥1000hSize: 135mm(29.5mm exposed)