Useful for grinders, onions, potatoes and flowers. High Volume Low Pressure is also useful for vegetables. More robust because it is made of engineering plastic The crop is not damaged due to drops of water. High Volume, low-pressure plastic micro sprinkler for overhead irrigation of close spacings vegetable crops (Ginger, Onion, Potatoes etc.) and flowers. For irrigation of widely spaced plants Ideal for crops requiring more water.Uniform distribution.