1. Packing: 1 Inhaler, 3 Masks 2. Origin: Mainland China 3. Target Pet: Dog & Cat 4. Material: PVC 5. Product Name: Aerosol Chamber 6. Usage: Deliver Medication 7. Type: Pet Products 8. Color: Blue and Transparent 9. Mask Size: S/M/L 10. Canack Vaterinary Asthma Inhaler Spacer Devices Aerosol Chamber With One PVC Mask 11. Size: S/M/L 12. Introduction 13. Material: 1. Antistatic Chamber is Polypropylene; 2. Backpiece material is Thermoplastic; 3. PVC mask; 4. Safety breathing vale 14. Function: Aerosol Chamber is used to help deliver medication to dogs/cats suffering from respiratory conditions such as chronic bronchitis, laryngeal paralysis or tracheal collapse. The chamber is intended to be used along with a metered dose inhaler to delivery aerosol medication to your cat or dog's lungs as prescribed by your veterinarian. 15. Details: Size: S; Size: M; Size: L 16. About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 17. Any questions, please feel free to contact us 18. During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping 19. Thanks for your cooperation and we'll make you feel satisfied.