Potter / Amseco Potter Amseco BBK-1 Weather Proof Back Box JMAC# POTTER-AMSECO-BBK-1 The Potter Amseco BBK-1 is a red bell back box. Weather Proof Back Box for use with Potter PBA & MBA Series Bells.UPC: 785192006725Also known as: PL-BBK1, BBK1Technical Specifications: MSRP: Was: Now: $18.95 In Stock Expedited Shipping Available Need it Tomorrow? Need it Tomorrow? Select the NEED IT FAST shipping option at checkout and a member of our team will contact you promptly with any available Expedited Shipping options once we receive your order. Add to Cart