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Container Irrigation System

CWI is planter technology's container irrigation solution designed to be dropped into most cylindrical and slightly tapered decorative containers, for both interior and exterior pots and planters. The CWI uses Planter Technology's proven vacuum-sensor technology to precisely monitor the soil moisture level, irrigating the plant only when the soil starts to dry. It allows for extended hand-watering intervals, typically 2 weeks. The addition of an overflow drainage adaptor allows for use of CWI in exterior applications, and prevents the drainage of irrigation water during normal use.

Features of the Container Irrigation System
  • Large hand-filled reservoirs - can go up to two weeks before refilling.
  • Planters technology's Vacuum-Sensor monitors soil moisture level for optimal water efficiency.
  • Overflow drainage adaptor - no more overflowing saucers.
  • Quick and easy changeouts - no mess, no inconvenience.
  • Wide range of sizes for most bowls, shallow pots, ums and vases.




How The Container Irrigation System Works

The CWI resercoir is filled by hand every 1-4 weeks (2-4 weeks interior, 1-3 weeks exterior). The hole is closed with a stopper, creating a vacuum-tight closed reservoir.

When the soil is dry (indicating the plants and flowers need water), the moisture sensor allows air to pass through the tube into the reservoir, allowing water to flow into the container from a series of openings in the bottom of the planting area. The water wicks up through the soil, irrigating the plants.

As the soil becomes moist, the sensor (planted in the soil 1/3 to 1/2 -way down the container) absorbs water. When wet, it acts like a valve, blocking the flow of air through the tube. A vacuum is created above the reservoir, preventing further watering until the soil begins to dry.

The addition of an overflow drainage adaptor allows for use of CWI in exterior applications, and prevents the drainage of irrigation water during normal use.

Model Specifications

Model Overall Dim. Interior Dim. Overall Ht. Empty Weight Water Capacity
CWF-1706 17" 15.25" 6.5" 2.5 lbs 1.2 gal
CWF-2107 21" 19.25" 7.5" 4 lbs 2.0 gal
CWF-2508 25" 23.25" 8.25" 5 lbs 3.0 gal
CWF-2909 29" 17" 9.25" 7 lbs 4.0 gal
CWF-3410 34" 32" 10.5" 10 lbs 5.5 gal


Landscape Professionals Serving The Central New Jersey Area
826 Route 202-206 North | Bridgewater NJ 08807 | 908-575-1236 | 908-575-3265 Fax






New Jersey Nursery and
Landscape Association