Compatible with nskstyle PANA-MAX QD PAX-QD TU. Operating air pressure: 0.25-0.27Mpa.The cartridge only fit for the handpiece of this link!! You pay us what you see on the invoice, i. We guarantees all equipment are good quality. Then we can help you find the way to confirm, or quickly help you solve your problem, because of the time difference, our working time is according to Beijing time (GMT +8:00). We apologize for the late reply during out of the working time, pls understanding. Our system will automatically do the same for you. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Handpieces & Instruments\Dental Handpieces". The seller is "eshop5566" and is located in this country: CN. This item can be shipped worldwide.