Metal caps, Erlenmeyer

Aluminium. Anodised in a choice of colours.
Special caps for sterile, but not hermetically sealing, closure of culture flasks and media bottles with straight, rimmed or rimless necks as indicated. With nichrome steel springs that clamp onto the outer wall of the container.
Cleaning advice available on request.
For neck dia. 37/39 mm
Colour blue
With rim no