The Self-Watering accessory is an optional insert for your Wall Hugger VegTrug, which sits beneath the compost and continuously supplies water to all your plants. The funnel features a cover to prevent any solids from entering the reservoir below, and a fill meter to make sure your VegTrug never runs dry. This kit is perfect for beginners who want to grow their own produce with minimal effort. Features and Benefits: Large reservoir can comfortably support your plants for days at a time. Covered funnel prevents solids (and critters!) from falling into the reservoir. Fill meter ensures your VegTrug never runs dry. Specifications: Dimensions: H:64.0 x W:22.0 x D:158.0 cm Colour: Black Guarantee: 1 year Model Number: SWWHK2800UK Self Assembly Required: Yes. The water is then drawn from the reservoir directly into the plant roots, allowing crops to draw water at their own pace and eliminating the risk of overwatering. A water level indicator means you can see when more water needs to be added, and a connected tube funnel that sits above the soil makes it easy to top up water or fertilizer. Manufactured from strong and durable plastic, this is built to last and is the perfect accessory to pair with the VegTrug.