The Black Diamond 2-1/2" to 1-1/4" Adapter is a practical vacuum accessory designed to connect larger hose systems with smaller nozzles. Built to fit 2-1/2" hose systems, this adapter allows seamless compatibility between a 2-1/2" hose and 1-1/4" vacuum nozzles or attachments. Ideal for enhancing the versatility of your vacuum setup, it enables you to use a wide range of accessories for both detailed and general cleaning tasks. Durable and easy to install, this adapter is perfect for workshops, garages, and home use where multiple hose sizes are in play.