Daughtridge Sales Co., Inc. specializes in steam siphons, pressure gauges, thermometers and related items. Steam siphons filled with water are used to prevent live hot vapors from entering a pressure gauge bourdon tube and thus should be installed between the pressure gauge and the process line. Due to large number of products in our inventory, we are unable to include pricing on our website at this time. If you have any specific requirements regarding our products, please contact us and we will provide you with pricing and availability. Also, if you have any comments or questions concerning our products or services including our steam siphons feel free to call us at 1-800-967-7507.