Dilution Solutions' Water-Powered Nutrient Delivery System HI-FLO No Monitor Kit contains all the components included in the Monitor Kit except the monitor. To complete the HI-FLO Nutrient Delivery System, you will also need Dosatron Injectors, the Standard Starter Kit, Mixing Chamber Kit(s), and the Water Hammer Arrestor Kit. This part is also available with a monitor – please call 1-800-451-6628 or CHAT with us for details. We also offer the END Kit, an alternative to the No Monitor Kit.