The OMRON COMP A-R is a medical device ideal for nebulizer treatment, and comes with a mask and tubing. I purchased it 5 years ago. I am selling it because I no longer use it (*^ー^*) Operation confirmed. There is no box or instruction manual. Thank you very much! Retail price: 15,800 yen - Brand: OMRON - Model Name: COMP A-R - Accessories: Mask, tubing, nebulizer - Color: White, Blue - Application: Nebulizer treatment Thank you for looking.