Neta Drip Irrigation Thread Joiner 4mm Black SKU: 276960 MODEL: MR/RRJ04TB00 Error. try again later You've successfully joined the club $ 5 .49 pack Available on orders $50 to $1500. More info × Mitre 10 Variants Connects 4mm rigid risers to 4mm flexible tube. Features and benefits Connects risers to tube. Micro irrigation fitting.