Vaccum houses

Is appliance that sucks dirt through hidden 2-inch pipes down to a 12-gallon canister in the basement. Now, instead of maneuvering a heavy, noisy portable, you simply plug a lightweight, 30-foot hose into special wall outlets, which automatically starts the vacs two motors. The system has a 185-cubic-feet-per-minute capacity-two to three times that of a portable-and no dust-spreading exhaust.