Our company sticks to the principle of "Quality is the life of the company, and reputation is the soul of it" for temperature and humidity probe, 0.5 Micron Stainless Steel Diffuser , High Temperature Humidity Probe , Sht11 Humidity Sensor ,Sintered Filter . All prices depend upon the quantity of your order; the more you order, the more economical the price is. We also offer good OEM service to many famous brands. The product will supply to all over the world, such as Europe, America, Australia,Oslo , Niger ,Kuwait , Lyon .We pay high attention to customer service, and cherish every customer. We've maintained a strong reputation in the industry for many years. We are honest and work on building a long-term relationship with our customers.