Description:1 bags = 50 pieces. Can be used in many standard pipes with 3-4 mm. size tenon. Sometimes they can be to long for a specific model but then you can divide it/cut it. The filter takes some of the moist and the strength of the tobacco.TAX FREE: Please note that if you are an outside EU citizen the VAT (20%) will be deducted the listed prices when/if you finish your order.