Erie Tools 20" and 21" Replacement Rotary Arm for Surface CleanersErie Tools replacement 20-inch rotary arm for 21-inch surface cleaners. Fits certain 21-inch Erie Tools surface cleaners. Rotary arm will accept nozzles with 3/8-inch NPT male thread. Arm has 3/8-inch NPT female threaded socket to attach to the swivel assembly. Erie Tools replacement 20-inch rotary arm for 21-inch surface cleaners. Rotary arm will accept nozzles with 3/8-inch NPT male thread. Arm has 3/8-inch NPT female threaded socket to attach to the swivel assembly. Aluminum construction. This replacement hose will fit the following
Erie Tools surface cleaners: OM-SSC-WW-21OM-SSC-FSB-21OM-SSC-VP-21