Meiyu Corporation 75cm Flexible Brush (Medical Brush for Cleaning Gastrostomy Tubes) 5mm Diameter, Pack of 2 Features: The handle is flexible, designed to prevent damage to the inside of the tube. Innovative design allows for efficient cleaning by inserting the brush from the handle and pulling it through. Effectively cleans narrow tubes with an inner diameter of approximately 3mm. Purchased a pack of 3 in June 2024, used one. Selling the remaining two unused brushes.