- Connect 4-Inch opening to a 2-1/2-Inch hose or a 2-1/2-Inch opening to a 4-Inch hose
- Adaptable to Shop-Vac, Sears and a variety of other wet/dry vacuum cleaning
- Tough, durable ABS plastic material
- 2-1/2-Inch nominal end measures 2-31/64-Inch O.D. and 2-19/64-Inch
- 4-Inch nominal end measures 3-15/16-Inch O.D. and 3-45/64-Inch I.D.