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![AccuCount Ultra Rainbow Fluorescent Particles, 10^6/mL, 3.8 [+/ 0.3]um, 5mL](/web/image/product.product/4480/image_1024/%5B0007-ACURFP-38-5%5D%20AccuCount%20Ultra%20Rainbow%20Fluorescent%20Particles,%2010%5E6-mL,%203.8%20%5B+-%20%200.3%5Dum,%205mL?unique=67e0bf3)