Creates a homogeneous blending of nutrients with the passing solution. Lo-Flo Series Electric Nutrient Delivery System Injection Mixing Kit 3/4" - Medium (21" installed length, configured spacing for 5 to 15 gallon tank size) -  Multiple options available:

• Lo-Flo Injection Mixing Kit Small - 12.75" installed length (Item #: EIM-LS)
• Lo-Flo Injection Mixing Kit Medium - 22.75" installed length (Item #: EIM-LM)
• Lo-Flo Injection Mixing Kit Large - 30.75" installed length (Item #: EIM-LL)
• Lo-Flo Injection Mixing Kit X-Large - 54.75" installed length (Item #: EIM-LXL)