• 13x13 Straight fits Australian Standar 1/2" Drip line
• 16x16 Straight fits Netafim Dripmaster 17 & Drip Line 2000 as well as equivalent Israeli Drip Line.
• 19x19 Straight fits Australian Standard 19mm and Netafim Dripmaster 20 as well as equivalent
  Israeli Drip Line.
•  21x21 Straight fits Netafim Dripmaster 2025 as well as equivalent Israeli Drip Line
• 25x25 Straight fits 1" or 25mm Drip Line
  

Tuff Tap / valves are used where strong, long lasting taps are required, to isolate sections of Drip Lines.