About Smith Measuremix Precision Injectors ABOUT SMITH MEASUREMIX PRECISION INJECTOR Smith Precision Products manufactures for greenhouses, nurseries and agriculture, the Smith Measuremix Injector. Smith Measuremix injector is the most accurate injector for greenhouse, nursery and agricultural applications. Smith injectors have been used in the industry for over 40 years. Smith injectors are the most durable injectors we sell. Smith Precision Products also offers their products to many different industries, including hospital, chemical companies, etc. It is because the Smith Precision Product Injectors are so long lasting that they meet very specific requirements for all types of chemical injector needs. Regardless of your industry Smith Precision Products is an outstanding injector for your needs. Smith Precision Products can manufacture injection systems tailored to your needs. Regardless of the industry, if you need extremely accurate injection of chemicals of all kinds, please contact us for Smith Precision Products. Smith Injector sets the standards for accuracy and simplicity. They have absolutely the best greenhouse fertilizer injector system. The Measuremix fertilizer injector is compatible with a wide variety of chemicals, besides being a fertilizer injector. Smith greenhouse and nursery injector has exceptional filters. Smith Precision is quick to repair units. Smith Precision has a good trade-in policy. Smith fertilizer injectors will run for years trouble free. Smith fertilizer injector units are installed in greenhouses and outside. In the greenhouse industry Smith fertilizer injectors are preferred for those who need absolute accuracy. Smith greenhouse units and greenhouse nursery units, have 3 gpm up to 100 gpm water flow per minute. The small Smith fertilizer injector is ideal for small greenhouses and nurseries. Smith also has units for large agricultural use. No electrical motor is needed. Smith injectors operate on water flow. Wide range of flow rates, from .75 inch pipe to 2 inch. Single and double injector units. Smith now has R-1 unit for research and institutions.