2.75" Conflat DN35CF-DN40CF Flange Adapter 1/4" VCR4 + 1/2" VCR VCR8 SS Vacuum

2.75" Conflat DN35CF-DN40CF Flange Adapter 1/4" VCR4 + 1/2" VCR VCR8 SS Vacuum.

Used, in great shape. Knife edge and face seals are all in perfect condition. Seals to high vacuum. MKS/HPS brand conflat flange, Cajon brand VCR fittings.