<https://www.servicepower.co.uk/shop/adaptors-optical/fibre-splitter-combiner-4-to-1>
<http://schema.org/description>
"Our standard Fibre Splitter / Combiner is a 4:1 or 1:4 ratio IP65 rated and with FC/PC or FC/APC connectors. Other connectors and ratios available."
<https://www.servicepower.co.uk/shop/adaptors-optical/fibre-splitter-combiner-4-to-1>