Holman 4mm x 25m Irrigation Drip Tube Riser

I/N: 3120591
Price correct as at Sat 22 Oct 2016 8:58:49
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Holman's range of 4mm Riser Tube is ideal for connecting 4mm micro irrigation from the main supply line. The low density polyethylene (LDPE) material provides a strong, reliable grip onto 4mm THREADED fittings.

Riser tube is predominately used to run from the main poly pipe water supply line, vertically up an irrigation stake to mount either a micro jet or micro spray. The rigid material helps keep these sprays in place. Create a micro irrigation system to run and throughout your garden beds.

The connection between the rigid tube & the 4mm fitting, is most important. This connection MUST be THREADED. The 4mm thread bites into the rigid tube to connect. A 4mm barb CANNOT be used.

  • Use to run water supply from the main poly pipe irrigation line
  • Use to connect micro sprays & jets
  • Screws onto 4mm threaded fittings
  • Rigid strenth keeps micro sprays upright
  • Ideal for dropping down into watering hanging baskets
Model Name
4mm x 25M Riser Tube
Model Number
Low Density Polyethylene
Drip & Micro Irrigation Component
Irrigation System Component
Item Package Type
Tubing Length (ft.)
Tubing Size

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