Source Standard diameter vacuum cleaner hose extension attachment extender attachments on m.alibaba.com
Vacuum 8 ft. Extension Hose – Capps Manufacturing
Amazon.com: Huiaway 3 Pcs 1.25inch 32mm Vacuum Extension Wand 1 1/4" Plastic Wand Pipe for Vacuum Cleaner Replacement Tubes Extend to 14.6 inch Long : Home & Kitchen
FITS TITAN SCREWFIX TTB VACUUM CLEANER METAL ROD HOOVER PIPE EXTENSION TUBE 32mm | eBay
Amazon.com: Stanley 19-1100 Wet and Dry Vacuum Extension Hose, 1-7/8 inch, 6 Feet, Fit for Stanley 6-18 Gallon Wet/Dry Vacuum Cleaners, Compatible with SL18191P, SL18199P, SL18701P-10A, Black : Everything Else
Amazon.com - WalterDrake Long Reach Vacuum Hose Extension
UNIVERSAL ANY MAKE EXTRA LONG 6M BLACK EXTENSION VACUUM SUCTION HOSE PIPE | eBay