UPGRADE PVC MATERIAL: Upgraded foam cannon straw replacement's material isn't easy to deform, not easy to corrode, and extends the use time
NO BLOCKING: Filter ball has an ultra-fine filter screen, which can filter out most of the impurities and isn't easy to cause blockage
STAINLESS STEEL FILTER BALL: Foam cannon weight’s filter head is designed for small to large sizes, and fits with cannon tube weighted of different sizes; the top position of the filter ball is suitable for pipettes with an inner diameter of 5 mm, and the tail is suitable for a pipette with an inner diameter of 6 mm