The 1400 Series is comprised of low-flow dispensers that are typically used for greenhouses, cleaning, and sanitizing of produce, as well as drip and spray irrigation applications. These dispensers have a better compatibility for nutrients, pesticides, some acids, and other additives. The updated internal design allows for an increased flow rate of up to 14 GPM and up to 10% for chemical injection. All 1400 series dispensers have a 3/4″ NPT threaded inlet and outlet. Water powered Flow rate .5 to 14 GPM Manual On/Off Aflas O-Rings throughout the unit Viton Extreme chemical seals Hastelloy and plastic engine springs for improved chemical compatibility Easy-to-adjust chemical adjustment sleeve Yellow low-flow rate engine with dual lip seals operates units on less than .5 GPM Specifications Model Injection Rates 1400M .03 to .2% 1401M .1 to .9% 1402M .3 to 2% 1405M .5 to 5% 1410M 1 to 10% Additional Information Mixrite 1400 Series Instruction Sheet (PDF)