OSRAM VIALOX 1000W lamp,NG1000 SON T NAV T NAV E40 high pressure sodium tubular bulb,for ST 1000 H/E/SL E40 66/360|sodium bulb|pressure sodium lamphigh pressure sodium lamp - AliExpress
Sodium Bulb Osram VIALOX NAV-T 400W E40
Osram Vialox Nav-T Super 4Y SON-T Plus Bulb - 250w, 400w, 600w & 1000w - Hydrostore