Where can I get that plastic adapter to stack 2 BP7 batteries for a UPS?

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Sep 4, 2017
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My dual BP7 battery stack got recycled before I could remove the plastic spacer & jumper that go between the two batteries. This is the thing that stacks two BP7 lead-acid UPS batteries with one right-side-up and the other upside-down, with tape to keep them stuck together. Not sure what it's officially called. I can't find any through web searches. Any ideas?