6 X-HYDROPONIC SIGHT LEVEL TUBE/DRAIN KIT FOR HYDROPONIC RESERVOIRS OR BUCKETS
(DIY- kit is perfect for adding to or draining your hydroponic reservoir as well as to monitor your water level without lifting the lid or disturbing your plants. 6) - 1/2" Barbed Elbow. 6) - 12" General Hydroponics Blue 1/2" Hose.