Just picked one up from home depot. I bought a 3/4 x 48 inch pipe, 2 3/4 x 8 inch nipples, 2 3/4 inch 90 degree elbows, 2 3/4 inch flanges and 8 10 x 2 screws. Got it all for $20. Now I just have to find a place to attach it to in my shed.