Denicotea Marin Blue Holder 20232 - Holder length is 78mm. This is a regular holder and the stub has to be removed manually after smoking. This Denicotea holder can be used with a regular filter. Denicotea holder design ensures that the taste is unchanged and the use is comfortable. Holder can only be used with Denicotea filters. Only original Denicotea filter guarantees a tight fit so that no smoke can bypass the filter.