and high quality Made of high-quality materials, durable Perfect match for vacuum cleaner parts, the quality is guaranteed Easy to install, no glue required, just screw into place Adding a steel cage to the hose will and hinder suction. If the head of your for vacuum cleaner has reduced suction then your lower duct hose may be split and need replacing This premium quality replacement hose is simple to install and fits between the for main body and the floor cleaner head tool This internal lower duct hose is clear making visual inspections for blockages and damage easy Applicable model: for NV340 NV480 NV601 NV681 NV800 Use scene: home Colour:As shown Material:plastic Package Contents: 2 x Lower Duct Hose Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.