Foam gasket in the neutral density filters from NiSi

[Mr. Wollensky]

Hello everyone:

I am thinking about buying the V7 filter holder from NiSi. I would like to know whether all 100×100 mm ND filters from the brand include the foam gasket on the back to prevent unwanted light from entering through the sides, or whether I should consider buying replacement foam strips and installing them myself when buying the kit.

Thank you very much in advance!