RCI ActivePure Replacement Cell with UV Light Bulb is for DuctwoRx, InDuct 2000, and Air Scrubber Plus units.
RCI Cell is an essential part of InDuct air purification system to eliminate smoke, odors, and reduce airborne contaminants.
The RCI Cell should be replaced when UV Light Bulb is burned, or every two years whichever comes first. Size: 9 inches (23 centimeters).
Brand Name: V.S.L.A.