| 摘要 |
An extraction cleaning apparatus including a base housing, a fluid recovery system including a tank having a fluid recovery chamber for holding recovered fluid, a working air conduit, an above floor accessory hose mounted at one end to the housing for optional above floor cleaning, and a unitary duct mounted to the housing and connected at a first end to the accessory hose one end and, at another end, connected to the working air conduit at an accessory hose inlet a conversion valve in the working air conduit between the suction nozzle and the accessory hose inlet to selectively connect the vacuum source to either the suction nozzle or to the accessory hose. Portions of the unitary duct are flat and an intermediate portion of the unitary duct extends beneath the recovery tank
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