General description The 6 Pieces Vacuum Hose Adapters are designed for universal shop vacuums, made from high-quality soft PVC material that ensures a precise fit. These adapters are sturdy, durable, and offer great flexibility and adaptability for long-term use. Technical specifications First part outer diameter: 25mm / 0.98in First part inner size: 21mm / 0.86in Second part outer diameter: 30mm / 1.18in Second part inner size: 28mm / 1.1in Third part outer diameter: 34mm / 1.33in Third part inner size: 31mm / 1.22in Fourth part outer diameter: 42mm / 1.65in Fourth part inner size: 35mm / 1.37in Usage The vacuum cleaner hose adapter is easy to use; no additional tools are required for connection. Simply attach it directly to the appliance or vacuum cleaner for efficient cleaning. The adapter can also be easily cut to serve as a reducer for different hose diameters.