Almost zero waste of filler. If mixing is done by hand and large quantities are needed, for convenience usually complete sets are prepared. In the first instance the mix is nice and smooth to apply, however, as work proceeds the last quantities to be used will have thickened and are therefore more cumbersome to process. With the mixer y ou can simp I y prepare 2 x approx. 10 litres, rendering a smooth mix that is easy to use whilst keeping waste to a minimum The machines are very easy to operate - a simple push of the button and the filler comes out ready mixed at a capacity of 4-5 litres per minute. 60 litres A component and 60 litres B component) suitable for mixing filler at a ratio of 1:1.