P400-SR Soluble Support Material Cartridge / Dimension Elite / SST 1200es Stratasys Sale! from 25000 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. SKU: 340-30200 Tweet System Compatibility Dimension1200es SST Dimension. P400-SR support material is water-soluble for easy, hands-free removal. Easily produce intricate prototypes and models without the need for time-consuming manual support removal.