Overview Zeiss - 10SL - 64222 Replacement Light Bulb : Manufacturer: Osram-Sylvania, Voltage 6, Wattage 10, Base PG22, Shape T8, Life Hours 300 Zeiss - 10SL - 64222 Replacement Light Bulb Custom Field Product Reviews Write a Review Write a Review × Zeiss - 10SL - 64222 Replacement Light Bulb Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *