
MH-443 and MH-438: Ordering a Single Valve or a Two-Reference Set
A request for one Olympus valve can return a quote for two references, because individual MH-443 and MH-438 records sit alongside an MH-443/438 set.
Flexible endoscope repair parts | Model matching & bulk enquiries
Component guides, equipment references and purchasing notes for endoscope repair teams.
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A request for one Olympus valve can return a quote for two references, because individual MH-443 and MH-438 records sit alongside an MH-443/438 set.

A model name can take a buyer to a stress relief boot listing without saying which transition the requester means.

An O-ring title may give an inner diameter, an outer diameter and a third number labeled L.

Does the spool photograph establish the order unit? No.

A face-on photograph is often the most useful first image of a C-cover, provided the supplier can tell which way it is oriented.

Does a 150 mm sleeve length identify the mesh? Both size examples share that length.
Send the full scope model, component photos and the quantity you need.