General description The 3X Aquarium Filter Brush Set features long flexible brushes with double-ended bristles, designed for effective cleaning of aquariums, filter systems, and other hard-to-reach areas. Made from high-quality nylon bristles attached to a durable stainless steel handle, these brushes are reusable and easy to maneuver, making them perfect for everyday cleaning tasks. Technical specifications Color: Black and Blue Material: Nylon Brush Length: 20 cm Double-ended Brush Length: 150 cm Package Contents: 3 Brushes, 3 Double-ended Stainless Steel Cleaning Brushes Measurement Allowed Error: +/- 1-3 cm Usage Use mild detergent and warm water for cleaning. Rinse thoroughly with cold water. Keep the tube as straight as possible while using the brush. Work the brush in a back-and-forth motion with small strokes, gradually moving inside the tube.