Two x 1 ½" (38mm) outlets and two x 2 ½" (63mm) outlets.
All outlets 20mm front projection.
Inside dimensions 250mm x 110mm (excluding extension blocks) x 25mm deep.
Material thickness approx 1.2mm.
Can bre trimmed or cut to mount directly over the front of your heater.
Can be screwed and bonded.
The outlets are supplied capped for you to cut as required.
SLIMLINE AIR OUTLET PLENUM #SPLEN2