This plug is used to fill openings found on the back of the IQ2000 and IQ2020 Control box that can be used to allow wiring to enter the control box These plugs cover the openings that are not in use to help prevent dust, dirt, and insects from entering the ...read more

Black plastic plug used on the IQ 2000 and IQ 2020 Control Boxes to seal off an unused port helping to prevent bugs, dirt and debris from making a home inside the control box