Neta Drip Irrigation Barb Tee 4mm Black SKU: 277021 MODEL: MR/RRT040000 Error. try again later You've successfully joined the club $ 6 .98 pack Available on orders $50 to $1500. More info × Mitre 10 Variants Used to branch 4mm tube in 3 directions. Features and benefits Used to branch tube. Micro irrigation fitting. Three directions.