Unfortunately, the Seed Treater is no longer available. We have come up with a low-cost alternative that utilizes your mix tank to act as a seed treater. The unit threads into the primer plug on your pump. As you are circulating the mixture some is being taken off to your auger via a small hose. There are a couple valves and a gauge to help you calibrate the required amount.
The kits will sell for $100 and come fully assembled and will fit most 2-inch pumps. For a 3-inch pump you will need an adapter fitting to go from 1/2 to 3/4 which you should easily be able to find locally.