Great for quickly measuring and dispensing your liquid plant food and supplements! One pump dispenses 1 oz of liquid. Threaded body disassembles for quick and sanitary cleaning. Constructed from polypropylene and stainless steel for maximum chemical compatibility. #740040 is designed specifically to attach to a standard 1-gallon bottle with a capsize of 38/400 (not included). #740042 is designed specifically to attach to a standard 2.5-gallon bottle with a capsize of 63/485 (not included).