cleanroom wipers 1.material:30%Nylon,70%Polyester,Double knits,135g/m2 2.Size:4"*4",6"*6".9"*9".12"*12" 3Class:100,1000.10000 cleanroom wipersDescription:The lowest contamination levels at an economical price, Efficiently absorbs water and oil.Which is laundered and packaged in a class 10 to 100 clean room laundry, Ideal for a variety of clean room applications and available with a heat sealed ...