Baermann Technique
Basic and cheap mounting for the Baerman Technique.
Rods are 8mm OD
Funnel:
https://www.aliexpress.com/item/Kicute-1Pc-Brand-New-60mm-Transparent-Glass-Triangle-Funnel-Lab-Glassware-Laboraotry-Chemistry-Educational-Stationery/32819367256.html?spm=a2g0s.9042311.0.0.fciOc2
Natural Latex Rubber Tube is 10mm OD 6mm ID
The hose clamp is this one at 1,2X :
https://www.thingiverse.com/thing:142913