OroboPOS-Membrane Ring, PEEK, holds the membrane against the inner O-ring on the POS housing. For shipment in the O2k-accessory box, the OroboPOS is enclosed in a perspex housing. When the POS is uncsrewed from the blue base of the housing, the OroboPOS-Membrane Ring slides out from the POS shaft, and can be put in place with the OroboPOS-Mounting Tool during membrane application.
Comes as a box of two.
