All these auto-top offs...

[kari]

I believe that is the one made by Little Giant. Princess Auto also sells it. All you need to do is ditch the brass cotter pin and replace it with an acrylic rod. Drill out the cotter pin hole to 1/4"dia for 3/16" rod. Might not be the same one though.

Originally Posted by christyf5

I got one from a hydroponics shop. It said it was for horse/cow watering troughs on the box. Gets the job done and it was $11

Christy