outside mini split condenser wallmount rack, 2-12 guage 1 5/8" x 30" long channel strut, either concrete or wood lag bolted (4 ea 3/8" x 3" concrete or lag bolts). 2- 13/16" 14 guage channel strut 20" long , 3/8" bolted to 2- 12 1/2" steel shelf bracket 1/4" thick, making shelf bracket 20" long. approximate weight 22lbs. The shelf bracket is 1/2" channel strut bolted to the 30" 1 5/8" strut and is adjustable. On top of the shelf bracket are 4 -1/4" x 20 x1.5" bolts with channel strut nuts, washer and rubber feet. everything in pictures is included. this will support a variety of mini split but if you go above 18kbtu i would go with 1/2" anchor or lag bolts. i will consider offers. if you are reading this add it is still for sale.