Amazon.com: Baomain Flexible Hose Silicone Tubing 4mm ID x 6mm OD 5/32'' Peristaltic Pump 1M 3.3ft : Industrial & Scientific
Amazon.com: Bykski Water Cooling Soft PVC Tube Tubing Hose 10 Feet (3m) for PC Computer CPU Water Cooling System MOD DIY (3/8" ID 1/2" OD (10/13mm), Black) : Electronics
uxcell 2mm x 4mm Creamy-White Silicone Tube DIY Hose Pipe 10 Meter Long: Amazon.com: Industrial & Scientific
T-connector, hose 4 mm, STVS-QFCK-4-KU-S-M140 : Amazon.de: Business, Industry & Science
Amazon.com: DGZZI Barbed Ball Valve 4PCS 1/4-Inch ID in-Line Ball Valves Shut-Off Switch Hose Barb Connectors for Drip Irrigation and Aquariums : Industrial & Scientific
Pneumatic Polyurethane PUN Hose 5 Metres Outer 4 mm x Inner 2.5 mm Clear Transparent Flexible Compressed Air Hose Air Fuel Oil : Amazon.de: DIY & Tools
SNS Pneumatic 6mm x 4mm 10 Meters Blue Color PU Pneumatic Air Tubing Pipe Hose for Air line or Fluid Transfer - - Amazon.com
SNS Pneumatic 6mm x 4mm 10 Meters Blue Color PU Pneumatic Air Tubing Pipe Hose for Air line or Fluid Transfer - - Amazon.com
Amazon.com : New Lon0167 4mm x 9mm Silicone Translucent Tube Water Air Pump Hose Pipe 2 Meters(4mm x 9mm Silikon - durchscheinender Schlauch - Wasser - Luftpumpenschlauchleitung 2 Meter : Tools & Home Improvement
uxcell Straight Brass Barb Fitting Reducer, Fit Hose ID 6mm to 4mm 3pcs: Amazon.com: Industrial & Scientific
Agora-Tec® Schlauchanschluss Set für 1 Zoll (25,4mm) Schlauch mit 2 Messing Schlauchtüllen 1 Zoll IG (30,3mm), 2 Edelstahlschlauchschellen und 2 Meter Gewindedichtfaden : Amazon.de: Baumarkt