Dilution Solutions Flow Restrictor - 3/4 (D14 Series) Loveland it is the black tubing

it is the black tubing to reach for

Covers 12 to 28 g Per Packet: The 8 g size

Self-Activating on Air Contact: Work starts when the barrier bag opens

Hydrofarm's Commercial Heat Mat helps maximize your growing area by letting you daisy chain up to 4 of the MTMDA add-on units to this one

Low Shadow Footprint: Minimized fixture shadow means more uniform light distribution across the canopy at commercial mounting heights

Dilution Solutions Flow Restrictor - 3/4 (D14 Series) Loveland it is the black tubingFlow Restrictors limit the flow of liquid in the line. It is recommended to install a flow restrictor on the inlet side of the Dosatron unit if there is any possibility of overflowing the unit. Choose from 3 4 in 10 GPM or 3 4 in 14 GPM.