1. Length (using long mouthpiece): 8cm.
2. No change in taste of cigarlet.
3. Tar can be seen clearly through transparent tube.
4. Small-size,easy to carrying and can be kept in cigarlet case.
5. Tar and nicotine can be filtered effectually while smoking.
6. A great health helper for smokers.
Specifications: 1. 1 set/ plastic box. 2. Box size: approx. 5.2L x 11.3W x 1.6H. 3. Two mouthpiece included, Two sizes available: 4.9cm & 3cm.