The Cyclone Portable Chemical/Fertilizer Injector Kit includes the unit, a complete metering tip kit, pick-up hose, strainer, ceramic weight and stainless hanger. This injector can be used for residential and commercial drip irrigation systems and a wide variety of other areas requiring chemical injection. Features: Made of polypropylene and Kynar (PVDF) chemically resistant materials, designed for years of use; Flow rate 3.5 GPM at 40 PSI, will induct 12.8 ounces per gallon (no tip); Includes 13 metering tips designed for the most popular chemicals, tips allow dilution rates between 10:1 - 512:1; Capable of 150 GPH at 40 PSI and 15 gallons of chemical injection (no tip); Inlet and outlet fittings are brass 3/4" GHT(Garden Hose Threads); Extreme chemical resistance; Check valve includes Teflon ball, Viton o-ring and Hastelloy spring so it can be used with Chlorine and other harsh chemical applications ; Injector starts drawing chemical with water pressure as low as 25 PSI inlet pressure; Max induction achieved at 35 PSI; Made in USA; Please Note: Locally approved back flow prevention device is required for any shared water source.