There were 10 pontoons built to fit the 100 and 200 watt series. They decided not to build these in production since the 420 pontoon was predicted the greater demand as it covers larger areas by setting the diodes on 10 degree planes for better distribution. The smaller pontoons were on a zero degree plane. I've got one and I've asked Darryl to consider a small production run to cover a few requests I've had. He told me they have no plans to make any more of these though after watching P's gardens I have encouraged them to reconsider.