Fan holder for 4 cm / 40 mm cooling fan
Cooling fan designed to be compatible with a 4cm / 40mm CPU fan https://ampul.eu/cs/ventilatory/3009-ventilator-40x40x10mm-ph20-5v-dc.
Designed to be used in cooling photochemical experiments. Assembly shown at https://www.youtube.com/watch?v=VL5crOrj6Xc
Produced as part of my work at the DSC group in VSCHT prague https://www.pklab.cz/