ND64 100*100mm Square Neutral Density Lens Filter (1.8/6 Stops) - Ultra Slim HD 20 Layer Double Side Nano-Coating Waterproof & Anti-Reflection Coating

SKU: KF01.1146

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Hi, the case designed for this square nd filter , generally to hold 1 filter , but you can try to hold more. 
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Hi, this square nd filter is 100x100mm, if the filter holder support this size filter , it would be ok, thanks.