2 in 1 Fiber Light Tester with 6 Calibrated Wavelengths Optical Power Meter and 10mw Visual Fault Locator Function: Amazon.com: Industrial & Scientific
Aluminium buis 1 Meter 70 mm SiliconHoses
Amazon.com: Lubeworks Oil Control Valve Meter Nozzle Preset Digital 10 Gpm / 35 Lpm Heavy Duty Air Operated Pneumatic 1/2" Inch Npt Inlet Pressure Range 7-1000 Psi / 0.5-70 Bar Flexible Spout : Industrial & Scientific
Heat Shrink Tube from Ø19.1 to Ø9.55 mm in 1 meter bars
Precision Medical 1MFA8001, 0-70 LPM Oxygen Flowmeter, 1/8" NPTF