There's only one style flange and Rain Deck makes them custom, we went over how we made the extra two footing bases in our "DIY Footing Base's For Our Backyard Splashpad" your questions should be answered in that video. If they aren't I can try to help out more! ua-cam.com/video/wr2JMyiSNoY/v-deo.html&ab_channel=MCO
Where do you buy the footing plates from?
The female flange set up that you bolt to?
There's only one style flange and Rain Deck makes them custom, we went over how we made the extra two footing bases in our "DIY Footing Base's For Our Backyard Splashpad" your questions should be answered in that video. If they aren't I can try to help out more! ua-cam.com/video/wr2JMyiSNoY/v-deo.html&ab_channel=MCO