BioSentinel's BoTest B/D/F/G Botulinum Neurotoxin (BoNT) Detection Assay offers the most sensitive system available for the routine detection of BoNT sero-types B, D, F and G, both holoenzyme and light chain. We currently offer a 200 assay kit size online. For 2000 assay kits, custom orders, bulk pricing, international shipping or service work, please call customer service toll free at 1-866-807-0324 or 1-608-441-8174.