It is a friction fit instead of the screw nut type and attaches securely, even though there are no threads, locking mechanism or latch. The same applies to Ridgid Wet Dry Vacuums, it works perfectly with most of their models also.
RIDGID 62723 16 Gallon NXT Wet/Dry Vac with Detachable Blower, RT1600
10 Ft. Home Shop Vacuum Extension Hose and Attachment
RIDGID HD1400 14 Gal. 6.0-Peak HP NXT Wet Dry Vaccum for sale
RIDGID Vacuum Cleaner Parts for Shop-Vac for sale
RIDGID Vacuum Cleaner Parts for Shop-Vac for sale
RIDGID - Shop Vacuum Attachments - Shop Vacuums - The Home Depot
RIDGID Hose and Accessory Adapter Kit for RIDGID Wet/Dry Shop
Wet Dry Vacs - Professional/Industrial
Flexible, Black Molded
Wet Dry Vac 6 Foot Black Flexible Hose, 2 1/2 machine end fitting, 1 1/4 hose, 1 1/4 attachment end fitting
RIDGID 62723 16 Gallon NXT Wet/Dry Vac with Detachable Blower, RT1600
Online Shopping Trinidad & Tobago
RIDGID HD09001 9 Gal. 4.25-Peak HP NXT Wet/Dry Vac - Walmart