The countersunk filter rod has a very personalized appearance with its unique sunken design. And it can be combined with hollow filter rods, burst bead filter rods and granular filter rods to form different composite filter rods with different special features.

At present, our company have developed and researched and many countersunk composite filter rod, such as countersunk activated carbon composite filter rods and countersunk burst bead composite filter rods for our international customers.