Potassium sulfate, 99%[7778-80-5]EP1KG CAS No.: [7778-80-5]Grade: EPPacking: 1KG Cheapest shipping from $0 SKU: 6621-4400 MPN: 6621-4400 GTIN: NULL Stock Status: 20 pcs Delivery Status: 1-3 days $0 Quantity pcs Add To Cart Description CAS No.: [7778-80-5]Grade: EPPacking: 1KG