... white wiper 1) Ideal for cleaning in SMT processes 2) Suitable for 10,100,1,000,and 10,000 class clean Features ... ) Suitable for 10, 100, 1,000, and 10,000 class clean rooms3) Excellent absorbency, no detergent needed4) Very soft and harmless ... 12", 8 x 8"Packing: 1) Non-woven stencil wiper:300 or 1,200pcs/box 2) Woven stencil wiper: 150 or 600pcs/box Surface Mounting ...