The "Buna" O-ring from Fisnar is specifically designed for use in 3 cc cartridges and offers optimal sealing function. This product is distinguished by its black color and the packaging unit of 10 pieces per pack. The robust nature of the O-rings ensures reliable function and durability in applications with cartridges. Ideal for technical applications where precise and effective sealing is required. The compact size and specific adaptation to 3 cc volume cartridges facilitate handling and installation, making the "Buna" O-ring an essential component in corresponding applications.