OHAUS Vortexer Accessories — Vessel Holder Model:30400218 Genuine OHAUS guardian 5000 hotplates Genuine OHAUS guardian 5000 hotplates stirrers g51 (1) — replacement and expansion parts engineered for OHAUS instruments The smooth monofilament surface resists particle embedding and allows these filter bags to be cleaned and reused in many applications — reducing your cost per use compared to disposable alternatives Choose the holder for your sample size or select the flat insert and cut out to suit your custom specifications OHAUS offers a large selection of accessories that can be used on all of our Vortex Mixers