A Twin Sodium Lamp from Venture Lighting rated at 70 Watts and featuring an Edison Screw Base. This Universal Elliptical lamp is an excellent retrofit replacement for a standard sodium lamp, lasting 40000 hours and reducing energy usage and maintenance costs.
for Venture TWIN - Sodium Elliptical Coated HPSE.70W/E27/TWIN/HO
It took some while because they did not have 1 of the products I ordered in stock. However, after I contacted them they added a slightly different but still good enough product for free. Really pleased with their service, quick response as well