Manthorpe Brown 70mm Circular Soffit Vent

£0.33 per EACH, This circular soffit vent can be slotted into the soffit board prior to installation or retro fitted into existing soffits Can be slotted into the soffit board prior to installation for new build situations or retro-fitted into existing soffits Push fit into a 70mm diameter hole in soffit board Evenly spaced slots small enough to prohibit large insects gaining access but wide enough not to be blocked by debris, paint or water droplets To achieve 10,000mm2 of free airflow the G700 should be fitted at 200mm centres To achieve 25,000mm2 of free airflow the G700 should be fitted at 86mm staggered centres