Gravel Cleaning Nozzle If there is no ideal result! You can try to click other keywords as follow! 1. Gravel 2. Cleaning 3. Nozzle Small-capacity Flat Fan Nozzle Material : Stainless steel Thread : 1/8, 1/4, 3/8, 1/2 More Details...... We have not listed all of our products information, we would be appreciated if you can send an inquiry to us.