Car Washing Filter Sand And Stone Isolation Net 1. Material: PP new material 2. Weight: about 130 grams in small size and about 165 grams in large size 3. Features: strong impact resistance, toughness, acid and alkali resistance 4. This isolation net can effectively isolate sand and gravel during the car washing process to keep the water quality clean. 5. When you are cleaning your car, the sandstone net can effectively separate the gravel from the gloves. 6. The radial design of the surface of the sand and stone isolation net will extract the particles on your car wash gloves, such as dust, sand and dirt, provide a clean and scratch-free car wash gloves, so that the paint of your car will not have spiral patterns and Scratch 7. Once the bottom of the dirt sedimentation tank, the sand and gravel isolation net will remain divided into the washing water separated in four quadrants, so the dirty water will not be disturbed.