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3 Inch COB Downlights

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Is the cut – out hole size standard for all 3 Inch COB Downlights?

When it comes to 3 Inch COB Downlights, one of the most frequently asked questions is … Is the cut – out hole size standard for all 3 Inch COB Downlights?Read more

by clarence•April 20, 2026

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    • Is the cut – out hole size standard for all 3 Inch COB Downlights?

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