Profoto B1 500 AirTTL Duo Kit - Excellent Condition. 2x Profoto B1 500 AirTTL Flash Head. The kit does not come with a trigger. The item "Profoto B1 500 AirTTL Duo Kit Excellent Condition" is in sale since Monday, September 20, 2021. This item is in the category "Cameras & Photography\Lighting & Studio\Flash Lighting\Flash Heads". The seller is "samnalla_0" and is located in Ruislip. This item can be shipped to United Kingdom.