Venting Funnel with PP28 Thread

This 3D-printable funnel is designed for support-free printing and features a PP28 thread, making it compatible with most standard bottles. With a diameter of approximately 80 mm, it provides a practical size for various applications. Its drip edge helps prevent spills, while the ventilation holes allow air to escape for a smoother pouring experience. Originally created for refilling shampoo dispensers, it’s also great for other liquid transfers.