This Black poly tubing is perfect for creating your own internal spray lines for use in PVC tube type gardens. Use with (1) 3/4 in. compression elbow (part #70-3000) to attach to 3/4" male garden hose adapter (part #70-1090 ) and plug opposite end with a 10 mm insert plugs (part # 70-3001) You may also use a 1 in. rubber grommet (par t#70-1106) to seal the elbow fitting as it enters the growth chamber for drip free construction.
Drill your own spray holes with either a 1/8" drill or a hot nail. Sold by the foot.