'helps maintain'

Provides exhaust and air supply feature in a single unit. - Three stage filtration with Mesh filter for dust, activated carbon for odor, HEPA filterfor PM 2.5, finer allergens and microbes. - Energy cost recovery from the outgoing air -Easy Maintainance - Low Running Cost - Silent operation

Provides exhaust and air supply feature in a single unit. - Three stage filtration with Mesh filter for dust, activated carbon for odor, HEPA filterfor PM 2.5, finer allergens and microbes. - Energy cost recovery from the outgoing air -Easy Maintainance - Low Running Cost - Silent operation

Provides exhaust and air supply feature in a single unit. - Three stage filtration with Mesh filter for dust, activated carbon for odor, HEPA filterfor PM 2.5, finer allergens and microbes. - Energy cost recovery from the outgoing air -Easy Maintainance - Low Running Cost - Silent operation

Provides exhaust and air supply feature in a single unit. - Three stage filtration with Mesh filter for dust, activated carbon for odor, HEPA filterfor PM 2.5, finer allergens and microbes. - Energy cost recovery from the outgoing air -Easy Maintainance - Low Running Cost - Silent operation

Provides exhaust and air supply feature in a single unit. - Three stage filtration with Mesh filter for dust, activated carbon for odor, HEPA filterfor PM 2.5, finer allergens and microbes. - Energy cost recovery from the outgoing air -Easy Maintainance - Low Running Cost - Silent operation