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Hunter RZWS1850 18-inch root zone watering system with visible locking cap and enclosed grate, showing bubbler and StrataRoot baffles for subsurface irrigation (product photo).

Hunter RZWS1850 18" Root Zone Watering System - 0.50 GPM

Brand: Hunter
Save 28%
$60.90
$44.15
SKU RZWS1850
In Stock (3)

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Hunter RZWS1850 Root Zone Watering System delivers efficient subsurface irrigation to young trees and shrubs, promoting deep root development and healthier establishment. The enclosed design protects irrigation components from vandalism and debris while directing water and oxygen throughout the root zone.

  • 18" StrataRoot baffle system: Internal baffles direct water, air, and nutrients to the root zone for uniform subsurface delivery.
  • Factory-installed 0.50 GPM pressure-compensating bubbler: Provides consistent emitter flow across varying pressures for precise irrigation.
  • Built-in 1/2" swing joint: Simple connection to standard 1/2" PVC fittings for fast installation.
  • Locking cap and enclosed grate: Durable, vandal-resistant protection for topside hardware.
  • Preassembled, ready to install: Saves time on site and reduces handling of small parts.
  • Durable plastic construction: Flexible, impact-resistant body designed for long-term burying in landscape applications.

Documents and installation guides are available for download from the manufacturer. The RZWS1850 is intended for efficient irrigation of trees and shrubs where deep, targeted watering improves plant establishment and reduces surface runoff.

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Frequently Asked Questions

What is the installed flow rate of the bubbler?
This model ships with a factory-installed 0.50 GPM pressure-compensating bubbler for consistent flow.
How does the StrataRoot system benefit plants?
Internal baffles direct water and air through the root zone to encourage deeper, healthier root growth.
What fittings are required for installation?
The unit includes a built-in 1/2" swing joint and connects directly to standard 1/2" PVC fittings.