The Vari-Jet Micro Sprays are ideal for small flower beds, borders, greenhouses and vegetable gardens that need an adjustable flow rate. Produces a fine spray Ideal for small flower beds, borders, greenhouses and vegetable gardens that need an adjustable flow rate. Can be dismantled for cleaning. Maximum Flow Rate (LPH) - 55 LPH Compatibility - 13mm, 4mm Watering Coverage - 360 degrees Packs of 5 Save with Multi-Buy Options They provide even coverage with a flow adjuster so you can set the flow rate suitable for the needs of the plants or vegetables. They can be set for full flow or even shut off completely. Vari-flow Micro Jet Sprays produce a fine spray for precise, gentle watering. Best used in conjunction with a micro spray jet stake and rigid risers for stability and elevation. Made from high-quality UV stable material for longevity. Installation is quick and easy; they can be used directly in-line - 13mm and end-of-line - 4mm. Can also be used with Micro Support Stakes and Micro Extension Hose, to water your plants from multiple elevations either above or below the foliage canopy.