Abstract: A spa tub includes a spa shell configured to contain a volume of water; a circulation system configured to create a flow of the water to and from the spa shell; and a testing system configured to acquire water samples from the volume of water and to perform water quality tests on the water samples. The testing system includes a housing; a circulation pump disposed within the housing configured to acquire the water samples from the volume of water; a replaceable reagent cartridge removably received within the housing; and a water test assembly disposed within the housing. The water test assembly is configured to receive the water samples acquired by the circulation pump and a reagent from the reagent cartridge. The water test assembly is configured to mix the water samples and the reagent and to perform the water quality tests on the mixed water samples and reagent.

Abstract: A wet or dry paper towel dispenser may include a housing including a base portion, a paper towel roll holding portion, and a paper towel advancing and wetting portion. The dispenser may also include a paper towel advancing mechanism and a liquid dispensing mechanism at least portion of each disposed in the paper towel advancing and wetting portion. The paper towel advancing mechanism may be configured to receive sheet product of the paper towel roll and advance a portion of the sheet product of the paper towel roll. The liquid dispensing mechanism may be configured to selectively wet the portion of the sheet product of the paper towel roll as the paper towel advancing mechanism advances the portion of the sheet product of the paper roll.

Abstract: A wet or dry paper towel dispenser may include a housing including a base portion, a paper towel roll holding portion, and a paper towel advancing and wetting portion. The dispenser may also include a paper towel advancing mechanism and a liquid dispensing mechanism at least portion of each disposed in the paper towel advancing and wetting portion. The paper towel advancing mechanism may be configured to receive sheet product of the paper towel roll and advance a portion of the sheet product of the paper towel roll. The liquid dispensing mechanism may be configured to selectively wet the portion of the sheet product of the paper towel roll as the paper towel advancing mechanism advances the portion of the sheet product of the paper roll.

Abstract: A vacuum cleaner including a dirty air inlet, a fluid flow path extending from the dirty air inlet to a clean air outlet, a fluid flow motor positioned in the fluid flow path, and a filter assembly positioned in the fluid flow path. The filter assembly including a first cylindrical filter and a second cylindrical filter nested within and removable from the first cylindrical filter. An inner diameter of the first cylindrical filter is smaller than an outer diameter of the second cylindrical filter such that the second cylindrical filter is compressed in order to be nested within the first cylindrical filter.

Abstract: A wet or dry paper towel dispenser may include a housing including a base portion, a paper towel roll holding portion, and a paper towel advancing and wetting portion. The dispenser may also include a paper towel advancing mechanism and a liquid dispensing mechanism at least portion of each disposed in the paper towel advancing and wetting portion. The paper towel advancing mechanism may be configured to receive sheet product of the paper towel roll and advance a portion of the sheet product of the paper towel roll. The liquid dispensing mechanism may be configured to selectively wet the portion of the sheet product of the paper towel roll as the paper towel advancing mechanism advances the portion of the sheet product of the paper roll.

Abstract: A handheld vacuum cleaner including a fluid flow path, a main body including a handle, a fluid flow motor positioned in the fluid flow path, a dirt collection region, and a cyclone chamber in the fluid flow path. The cyclone chamber includes a first end wall, a second end wall, a sidewall extending along a cyclone axis, a cyclone dirt outlet formed in the sidewall, a cyclone dirty fluid inlet, and a cyclone clean fluid outlet. A duct extends between the cyclone dirt outlet and the dirt collection region. The duct includes an upstream wall and a downstream flow-diverting wall forming a downstream boundary of the cyclone dirt outlet. The duct widens between the upstream wall and the downstream flow-diverting wall in a downstream direction away from the cyclone dirt outlet.

Abstract: A handheld vacuum cleaner including a fluid flow path, a main body, a fluid flow motor, a battery, and a cyclone chamber. The fluid flow path extends from a dirty air inlet to a clean air outlet, and the main body includes a handle. The fluid flow motor is positioned in the fluid flow path. The battery is positioned below the fluid flow motor. The cyclone chamber is in the fluid flow path transverse to the dirty air inlet. The cyclone chamber includes a first end wall and a second end wall, a cyclone chamber axis passing through the first end wall and the second end wall, a cyclone dirty fluid inlet, and a cyclone clean fluid outlet. The first end wall and the second end wall of the cyclone chamber both intersect a common horizontal plane when the handheld vacuum cleaner is positioned on a horizontal surface.

Abstract: A spa tub includes a spa shell configured to contain a volume of water; a circulation system configured to create a flow of the water to and from the spa shell; and a testing system configured to acquire water samples from the volume of water and to perform water quality tests on the water samples. The testing system includes a housing; a circulation pump disposed within the housing configured to acquire the water samples from the volume of water; a replaceable reagent cartridge removably received within the housing; and a water test assembly disposed within the housing. The water test assembly is configured to receive the water samples acquired by the circulation pump and a reagent from the reagent cartridge. The water test assembly is configured to mix the water samples and the reagent and to perform the water quality tests on the mixed water samples and reagent.

Abstract: A handheld vacuum cleaner includes a fluid flow path extending from a dirty air inlet to a clean air outlet, a main body including a handle, and a fluid flow motor positioned in the fluid flow path. The vacuum cleaner further includes a dirt collection region with an openable bottom and a cyclonic separator in the fluid flow-path. The cyclonic separator includes a cyclone chamber having a first end wall and a second end wall, a cyclone dirty fluid inlet, and a cyclone clean fluid outlet. The vacuum cleaner further includes a filter chamber in the fluid flow path downstream from the cyclonic separator and upstream from the fluid flow motor. The filter chamber includes an outlet fluidiy communicating the filter chamber and the fluid flow motor and a tangential inlet fluidiy communicating the cyclonic separator and the filter chamber.

Abstract: A handheld vacuum cleaner that includes a fluid flow motor is positioned in a main body along a fluid flow path and defines a motor axis. A premotor filter is disposed in the main body and includes an annular filter media forming a filter axis. The annular filter media includes a first end, a second end, and a longitudinal filter surface extending between the first end and second end. The annular filter media surrounds a filter air passageway along the filter axis and upstream of the fluid flow motor. A debris separator is upstream of the premotor filter in the fluid flow path and defines a debris separator axis. The filter axis is generally parallel to the motor axis.

Abstract: A handheld vacuum cleaner including a fluid flow path, a main body including a handle, a fluid flow motor positioned in the fluid flow path, a dirt collection region, and a cyclone chamber in the fluid flow path. The cyclone chamber includes a first end wall, a second end wall, a sidewall extending along a cyclone axis, a cyclone dirt outlet formed in the sidewall, a cyclone dirty fluid inlet, and a cyclone clean fluid outlet. A duct extends between the cyclone dirt outlet and the dirt collection region. The duct includes an upstream wall and a downstream flow-diverting wall forming a downstream boundary of the cyclone dirt outlet. The duct widens between the upstream wall and the downstream flow-diverting wall in a downstream direction away from the cyclone dirt outlet.

Abstract: A handheld vacuum cleaner including a dirty air inlet, a fluid flow path, a main body, a fluid flow motor, a premotor filter, and a debris separator. The dirty air inlet is disposed at the front of the handheld vacuum cleaner and defines an inlet axis. The fluid flow path extends from the dirty air inlet to a clean air outlet. The main body includes a handle disposed at the rear of the handheld vacuum cleaner. The fluid flow motor is positioned in the main body along the fluid flow path and defines a motor axis. The premotor filter is disposed in the main body and includes an annular filter media forming a filter axis. The annular filter media includes a first end, a second end, and a longitudinal filter surface extending between the first end and second end. The annular filter media surrounds a filter air passageway along the filter axis and upstream of the fluid flow motor. The debris separator is upstream of the premotor filter in the fluid flow path and defines a debris separator axis.

Abstract: A handheld vacuum cleaner including a fluid flow path, a main body, a fluid flow motor, a battery, and a cyclone chamber. The fluid flow path extends from a dirty air inlet to a clean air outlet, and the main body includes a handle. The fluid flow motor is positioned in the fluid flow path. The battery is positioned below the fluid flow motor. The cyclone chamber is in the fluid flow path transverse to the dirty air inlet. The cyclone chamber includes a first end wall and a second end wall, a cyclone chamber axis passing through the first end wall and the second end wall, a cyclone dirty fluid inlet, and a cyclone clean fluid outlet. The first end wall and the second end wall of the cyclone chamber both intersect a common horizontal plane when the handheld vacuum cleaner is positioned on a horizontal surface.

Abstract: A handheld vacuum cleaner includes a fluid flow path extending from a dirty air inlet to a clean air outlet, a main body including a handle, and a fluid flow motor positioned in the fluid flow path. The vacuum cleaner further includes a dirt collection region with an openable bottom and a cyclonic separator in the fluid flow-path. The cyclonic separator includes a cyclone chamber having a first end wall and a second end wall, a cyclone dirty fluid inlet, and a cyclone clean fluid outlet. The vacuum cleaner further includes a filter chamber in the fluid flow path downstream from the cyclonic separator and upstream from the fluid flow motor. The filter chamber includes an outlet fluidiy communicating the filter chamber and the fluid flow motor and a tangential inlet fluidiy communicating the cyclonic separator and the filter chamber.

Abstract: A vacuum cleaner operable to separate debris from an air stream. The vacuum cleaner includes a first cyclonic separator and a second cyclonic separator having an inlet configured to receive the air stream from the first cyclonic separator. The inlet of the second cyclonic separator directs the air steam in an inlet flow direction from an upper end of the first housing toward a lower end of the first housing and along a longitudinal axis into the second cyclonic separator. The inlet of the second cyclonic separator has an inlet cross-sectional area for flow of the air stream measured normal to the longitudinal axis that decreases in the inlet flow direction.

Abstract: A vacuum cleaner including a dust collector having a first stage cyclonic separator, a plurality of second stage cyclonic separators, a dirt cup configured to collect dust particles separated by the first stage cyclonic separator, and a perforated tube at least partially within the dust collector. The perforated tube includes a cylindrical wall and a plurality of openings in the cylindrical wall to allow the flow of air to pass through the cylindrical wall in a flow direction from the first stage cyclonic separator toward the plurality of second stage cyclonic separators. A plurality of isolated air conduits within the perforated tube. Each of the plurality of isolated air conduits defined at least partially by walls extending in a direction inwardly from the cylindrical wall of the perforated tube and each of the plurality of second stage cyclonic separators has a corresponding one of the plurality of isolated air conduits.

Abstract: A cyclonic separator assembly for use with a vacuum cleaner includes a body having an inlet, an outlet, and an inner surface. The cyclonic separator assembly also includes a cyclone unit positioned within the body between the inlet and the outlet. The cyclone unit has an outer perimeter that is spaced apart from the inner surface of the body to define an inlet space therebetween. The cyclone unit includes a plurality of first cyclones in communication with the inlet space and arranged along an outer circle adjacent the outer perimeter. The cyclone unit also includes a plurality of second cyclones in communication with the inlet space and arranged along an inner circle that is spaced apart from the outer circle such that each second cyclone is nested between two adjacent first cyclones. The plurality of first cyclones and the plurality of second cyclones are arranged in parallel.

Abstract: A cyclonic separator assembly for use with a vacuum cleaner includes a body having an inlet, an outlet, and an inner surface. The cyclonic separator assembly also includes a cyclone unit positioned within the body between the inlet and the outlet. The cyclone unit has an outer perimeter that is spaced apart from the inner surface of the body to define an inlet space therebetween. The cyclone unit includes a plurality of first cyclones in communication with the inlet space and arranged along an outer circle adjacent the outer perimeter. The cyclone unit also includes a plurality of second cyclones in communication with the inlet space and arranged along an inner circle that is spaced apart from the outer circle such that each second cyclone is nested between two adjacent first cyclones. The plurality of first cyclones and the plurality of second cyclones are arranged in parallel.

Abstract: A vacuum cleaner including a dust collector having a first stage cyclonic separator, a plurality of second stage cyclonic separators, a dirt cup configured to collect dust particles separated by the first stage cyclonic separator, and a perforated tube at least partially within the dust collector. The perforated tube includes a cylindrical wall and a plurality of openings in the cylindrical wall to allow the flow of air to pass through the cylindrical wall in a flow direction from the first stage cyclonic separator toward the plurality of second stage cyclonic separators. A plurality of isolated air conduits within the perforated tube. Each of the plurality of isolated air conduits defined at least partially by walls extending in a direction inwardly from the cylindrical wall of the perforated tube and each of the plurality of second stage cyclonic separators has a corresponding one of the plurality of isolated air conduits.

Abstract: The present disclosure provides a home cleaning appliance including a housing having a nozzle, which includes a main suction opening. An airstream suction source is mounted to the housing and includes a suction airstream inlet and a suction airstream outlet. A cyclone main body is mounted to the housing and communicates with the nozzle main suction opening. The cyclone main body includes a first stage separator and a plurality of second stage separators. A dirt cup is connected to the cyclone main body for collecting dust particles separated by the first stage separator and the plurality of second stage separators. An air manifold is mounted to the first stage separator for fluidly connecting the first stage separator to the plurality of second stage separators.