I just received two mini Protank-2 v2 (removable drip tip) and they both had two loose o-rings under the base in the box.
Does anyone know what they are for? The sealing o-rings for the various parts seem to be there...
I haven't tried filling them yet.
Does anyone know what they are for? The sealing o-rings for the various parts seem to be there...
I haven't tried filling them yet.