Straight (PL-LF-S8) is required for attaching the GHL Floater Level Sensor on the Level Sensor Holder Base Unit. 8mm slot, suitable for GHL Floater Sensor, amongst others
Angled (PL-LF-S12) is required for fixing the GHL Optical Level Sensor on the Level Sensor Holder Base Unit. 12mm slot, suitable for GHL optical level sensor, amongst others