Aerochamber Inhaler Spacer, Inhalation Aid, Asthma, Aerochamber Aerochamber, without mask (5 years and older) AS175 Mouthpiece & Cap [ROSSMAX] With a one-way valve, you can inhale efficiently. You can check if you are inhaling properly with a highly visible structure, confirming the movement of the inhalation bubble from the outside. The main body is anti-static, making it less likely for medication to adhere due to static electricity, reducing medication loss. The back piece is flexible and compatible with all MDI preparations. Specifications Model Number: AS175 Mouthpiece & Cap Specifications: Without mask Target age: 5 years and older Materials: Body/PETG, Valve/Silicone, Mouthpiece cap/back piece/TPR Body capacity: 175mL Latex-free & BPA-free Package size: 80 x 75 x 170 mm, 90 g Thank you for viewing.