ULTRAponics Dripper System is an optional attachment for the ULTRAponics GroTube. The Dripper System can be used with or without the Flood capability od the GroTube. Includes all parts shown in picture 1 (top left picture). Includes both 1/2” Elbow and Tee for interconnecting Dripper Heads with 1/2” tubing. The Drip System typically runs all the time, Flooding four times a day for 15-30 minutes and keeping the Drip System on continuously.