XPOWER B-8 Brushless Force Dryer

The XPOWER B-8 and B-8S Professional Pet Force Dryers are the most unique dryers in the market!
Featuring a single, digital motor which is completely brushless, this dryer eliminates carbon brushes so that grooming professionals as well as our furry friends do not inhale harmful carbon dust byproducts. Without carbon dust emissions, we can ensure that our pets stay clean in the drying process as well.
Give your pet and your health the best grooming environment with XPOWER!

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Brushless is certainly better but the amount of carbon released from brushes is so minimal I doubt you could measure it. The main advantages of brushless are lower noise and variable speed.