FloraFlex 16 PLANTS PER 4'X4' - 1 GALLON POTPRO W/MICRODRIP IRRIGATION (4'x36')Included in your Bundle: 144 x PotPro 6" Tall (1 Gallon) 144 x Micro Drip 2 Way Parallel Split Micro Tube Dripper Assembly 30" x (Single Unit) 1 x Micro Drip 16 17 mm Double Layer Tube 100' 4 x Micro Drip 16 17 mm Pipe Fitting Elbow (Single Unit) 2 x Micro Drip 16 17 mm Pipe Fitting T (Single Unit) 1 x Micro Drip 16 17 mm Pipe Fitting 3 4" Male Adaptor (Single Unit) 1 x Micro Drip 16 17 mm Pipe Fitting 3 4" Male Adaptor w Cap Combo (Single Unit) 1 x