This is a regular cartridge exclusively for Phyton Air. I am selling these because I have extras from a bulk purchase. For the coming season, for measures against influenza, COVID-19, and other colds. For those who need multiple cartridges, I will discount as follows. Includes Takkyubin shipping. 1 bottle: 3200 yen 2 bottles: 5700 yen 3 bottles: 8200 yen 4 bottles: 10500 yen 5 bottles: 12500 yen 6 bottles: 14200 yen Please inquire if you would like Expert, Specialist, or other products.