Tapepro Flat Boxes apply joint compound to all flat recess and butt joints, automatically crowning the joint and feathering the edges. The Booster Automatic Boxes - are Flat Boxes with a differenceem>. The feature a spring loaded pressure plate that helps force joint compound out of the box. This reduces the effort required and is particularly handy for out of position or difficult to reach areas.  
Spring loaded lid - easier to push 
The boxes are made from 2.5mm thick anodised marine grade aluminium plates, which are peened together for increased strength, and longer life 
The wheels are mounted on a fixed axle for more rigidity and run inside the width of the blade, allowing a better finish, especially on butt joints 
Durable components 
Easy to operate 
Reduced fatigue 
Lid opens wide for fast hand filling and quick and easy cleaning 
Booster Automatic Boxes fit to all Tapepro Flat Box Handles 
Built to last 
Easy access for cleaning 
High capacity: 200mm = 1.34 litres, 250mm = 1.68 litres and 300mm = 2.01 litres 
Available in 200, 250 and 300mm