1.Description: 5x31.5mm/5x28.5mm, clear glass, flat base; conical base with polyspring.
2.High quality with low price.
3.Free samples and prompt delivery.
4.Small order and oem are acceptable.
They are packed in pp-trays with plastic film and cover plate, outside packing is carton. Special packing requirement is acceptable.
Supplier: Autosampler vials, storage vials, inserts, PE, aluminum, magnetic caps, ptfe, silicone septa