Rain Bird ET63-100S Drip Irrigation Pressure Compensating 1/2" (.700" OD) Emitter Tubing, 18" Emitter Spacing, 100' Roll, Brown Works like soaker hose; only better because it doesnt clog and requires no maintenance Pressure-compensating emitters water plants evenly from beginning to end of tubing throughout the planting area Built in 0.9 gallon-per-hour emitters spaced 18" apart Unique Micro-Porous construction creates an ultra-tight connection Connects easily to your faucet, garden hose, or existing underground sprinkler head (with Rain Bird conversion kits) Brown UV-resistant tubing designed for below or above ground use