Features: 【Product function】Cleans the inside of the hose/mask, and avoids mold growing. 【Excellent material】Stainless steel and the soft nylon bristles make the brush durable 【Safe & Effective】Cleans the unreachable inside of tubes. 【Benefits】Not only keeps your hose and mask clean, but also helps improve the lifetime of your machine.Note: Keep the brush clean and dry when not in use.Dimensions: Long brush- length: 39.4 inches (fits 22mm tubes) Regular brush- length: 6.5 inches (fits 15mm tubes)How to Clean the Tube Easily: Step 1. Put the round handle of the brush into the tube first, then pull it out from the other end of the tube. Use a mild detergent and warm water for cleaning the tube. Step 2. Keep the tube as straight as possible and gently work the brush in a back and forth motion in short strokes, gradually working further inside the tube. Step 3. Rinse the hose with cool water after cleaning.
