The 1-1/4" diameter wet dry vacuum hose is "friction fit" which means that the wet dry vac hose slides right in and utilizes friction between the parts to hold the hose in place. The 1-1/4-inch diameter is designed for maneuverability in tight spaces and allows most shop vacuums to work with 1-1/4-inch accessories. Requires a standard 2-1/2-inch vac inlet or hose, and utilizes 1-1/4-inch wet dry vacuum cleaner accessories.
From the Manufacturer
Enables use of a 1-1/4" accessories with most vacs with a 2-1/2" inlet or hose. The 1-1/4" diameter is designed for maneuverability in tight spaces.
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Item# : SPM9272238429
Model # : WS12520A