New Zealand’s leading manufacturer of K-Line irrigation, pipe, water storage tanks & effluent dispersal systems

RX PLASTICS LTD is one of New Zealand's largest manufacturers and distributors, specialising mostly in plastic
products for water transport and storage.

Our premium brands include the K-Line™ irrigation and effluent range, K-Line™ G-Set irrigation, Max water tanks and AirTech™ wastewater treatment systems.

We are an innovative and progressive company with more than 30 years experience in providing industry solutions using extrusion, injection moulding or rotomoulding production.


south island farmer of the year

Sponsors of South Island Farmer of the Year

Nominations for the next South Island Farmer of the Year competition are now open, closing on August 1, 2016. Any farmer in the primary production sectors can be nominated, including agriculture, horticulture, viticulture and aquaculture.

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Featured Product

k-line G-set irrigation

K-Line G-Set Irrigation Solutions

The number of G-Set installations around the country is growing steadily and farmers are seeing the effectiveness of turning previously unirrigated areas into productive land, growing great grass and fodder. Find out more about the benefits of G-Set irrigation for your hill country farm.

From Our Blog

Designing irrigation for hill country

Designing an irrigation system for hill country - no matter what part of the world you are in, requires a different set of considerations due to changes in elevation, slopes and topography. As... Read more...

Eliminating pipeline airlocks with pressure release valves

Behind the success of any irrigation scheme, large or small, is the ability to maintain a constant water pressure. Both low and high pressure systems can be severely compromised by air in the... Read more...

Managing surface water with culverts

As mid-winter approaches, management of excess surface water becomes a high priority for those on the land, particularly in areas of heavy traffic such as gateways or around small stream tributaries... Read more...