Chapin Part # 4701 - Chapin Hydrofeed 24 Oz. In-Line Auto-Mix Fertilizer Injector System For Lawn And Garden Applications - Fertilizers - Home Depot Pro
DIY in line feeder for drip line irrigation system. - YouTube
EZ-FLO 2005-HB 3/4 Gallon Low Pressure Hose Bib and Drip Connection Fertilizer Injector System : Amazon.com.au: Garden
3/4/ Inch Inline Fertilizer Injector Assembly (3/4 Inch MHT x 3/4 Inch FHT) | IrrigationSupplyParts.com -- Irrigation Fittings, Camlock, Ringlock, Drip Irrigation, Valves, Gauges
Chapin G405 Fertilizer Feeder Hose End Sprayer - YouTube