New blue o-rings

Hi all,
Are the new blue o-rings supplied with lumen lights/penetrators etc interchangeable (size, material etc) with the older black o-rings?

Cheers

Hi @spotxuv,

The blue bulkhead O-rings are the same size and material as the black -013 bulkhead O-rings, just a different color. We are replacing the black -013 bulkhead O-rings with blue ones across all of our products. This helps distinguish the -013 O-rings from the 1.5 x 11.5 mm O-rings used in some products and makes it easier to see if an O-ring is installed under the bulkhead.

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