Anti-Halo tag, AlpSdAbs® VHH (Biotin) is designed for detecting Halo tag fusion proteins. Anti-Halo tag, AlpSdAbs® VHH (Biotin) is based on monoclonal, recombinant, single domain antibody to Halo tag coupled to Biotin, and Anti-Halo tag, AlpSdAbs® VHH (Biotin) detects the Halo tag selectively, no reactivity with other proteins., High lot-to-lot consistencyIncreased sensitivity and higher affinityAnimal-free production . . . .