Vu-Flow NT 30 SC 100SS 100 Mesh (152 Micron) 1" Stainless Steel Screen Replacement For NT, Combo or RNT Filter Elements. Just flush clean and reuse the filter screen cartridge over and over again. Great for wells, irrigation, sprinklers, valves, pumps and sand filtration. If you have well water or high suspended sediment in your water you will love these cleanable and reusable spin down screen water filters.