Manufactured from chemical-resistant polypropylene, D14MZ2 is designed for Controlled Environment Agriculture (CEA) – hydroponics, rooftop and tower gardens, urban agriculture, and more. This 14 gpm fertilizer and chemical injector can automate processes to create fine-tuned, multi-chemical mixes with precise and repeatable results. Water-powered unit features 1:500 to 1:50 (0.2%–2%) injection range.