Figure 1: The four-point sealing for Allentown's BioContainment Unit (BCU). | Lab Animal

Figure 1: The four-point sealing for Allentown's BioContainment Unit (BCU).

From: How to isolate a rodent: biocontainment caging options

Figure 1

One cage on the rack is missing, allowing the two rack sealing points to be visible. Two additonal sealed air fittings on the BCU cage complete the four-point seal, which seals off the cage and rack when the cages are removed.

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