Enjoy a purer and more comfortable smoking experience with the DR.PERL 9mm filter, specially designed for pipe enthusiasts who appreciate fine details. This pipe filter was developed to give the user extra filtration with low drag resistance, for a more enjoyable smoking experience.   Filter size: 9 ml Thanks to Systemfilter Plus technology with activated charcoal, the filter: Purify smoke and reduce harmful substances.Improve flavor and maintain the authentic taste of tobacco.Perfect compatibility with most types of pipes.German manufacturing quality ensures consistent and reliable performance. Disclaimer: Actual colors and dimensions may differ from the screen image