Product Description The One-Shot Wonder applicator is designed for use with Grass Gains One Shot Wonder liquid fertiliser and a hose to dispense the perfect ratio of product to water. It's reusable and easy to use, simply attach the two halves of the connector on top of the One-Shot Wonder and to the hose, turn both valves on and walk away from the spray! As this product is reusable, we encourage customers to carefully wash out any debris and store in a dry place for the next use. Two valves for automatic ratio blending Easy to use Reusable Filter to prevent scorching Attaches onto hose Brand new sealed