https://www.beckman.es/supplies/tubes-and-bottles/open-top-tubes/342080
342080, 15 mL, Open-Top Thickwall Polycarbonate Open-Top Tube, 18 x 98mm - 100Pk
open top
https://www.beckman.com/supplies/tubes-and-bottles/open-top-tubes/355636
355636, 3 mL, Open-Top Thickwall Polypropylene Tubes, 11 x 60mm - 25Pk
open top
https://www.dark-ink.com/fr/94_thickwall
THICKWALL
https://www.beckman.ch/supplies/tubes-and-bottles/open-top-tubes/342082
342082, 15 mL, Open-Top Thickwall Open-Top Tube, 18 x 100mm - 100Pk
open topml
https://labplan.ie/product/tube-thickwall-polycarbonate-3-2-ml-13-x-56-mm-qty-50/
Tube, Thickwall, Polycarbonate, 3.2 mL, 13 x 56 mm (qty. 50) - Labplan