Now you can have the same quality of McFarland Standards at a fraction of the cost. Each particle is the size of E. coli with an extended shelf life. Each tube contains 15ml of suspension.

Expiration date of two years.

McFarland Standards

Cat No. SD2300 McFarland 0.5

Cat No. SD2350 McFarland Set one each 0.5, 1.0, 2.0, 3.0 & 4.0

Cat No. SD2370 Colorimeter Set one each 0.5, 1.0, 2.0 & 3.0

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