Qty 12 White sns79-93HS PP Pipe Hanger for 3 Inch EMT Conduit and Copper, and Sched 40 Pipe, American Made, one-Piece Hanger for Pipe, Cables, Conduit

I got these brackets to mount 3 inch PVC pipe for a radon mitigation system, and the brackets worked great. I used a single 1/4 inch lag bolt to hold each bracket. As others have pointed out, the arms of the bracket block access to the center mounting hole making installation a bit tedious. What I did was place the bracket where I wanted it and inserted a drill bit (hand held) in the center mounting hole and used the tip of the bit to scratch a mark on the wall. I could then move the bracket aside and drill a hole at the mark. Using hex head lag bolts for mounting, I used a ratchet wrench with a 7/16 socket to tighten the lag bolt. Mounting the brackets that way was easy.I'm including a couple of photos showing a scrap of PVC pipe secured in a clamp.The package has an advisory note suggesting to place the brackets directly below a coupling or fitting in the pipe on vertical runs to keep the pipe from slipping down and that's what I did. The brackets are well made and look good (as good as a bracket can look at least). One side of the bracket has two little plastic nibs (see photo) that I assume are to help pry the bracket open to release the pipe if necessary. You'll want those nibs on the side opposite the coupling or fitting so that bracket sits flush. These served my purpose perfectly.

I use these to mount a 4in dryer ducting, I put an insulating foam barrier between the clamp and the duct. Works great and is very sturdy and easy to handle.

Wanted these as I redid my duct system. They did the job but just hard to work with as you try to screw them to the wall and put in the pipe. the clamps always want to close and you fight with them for both during those tasks. once you get them in...they clamp shut tightly.

Used this to run 4" SD PVC pipe in my shop for dust collector. These worked great!

Easy to install to walls, and hold 4 inch PVC pipe perfectly, and tightly!!Reasonably priced!!

Was definitely the right size for my job application. I like how it adjusts, but unfortunately if you open it a little too much, it will break the plastic.

Easy to install and built tough. they are easy to open but lock very secure around the pipe. They open if you need to make an adjustment and close just as secure as the first time.

Purchased to secure 4" PVC for a radon system. As other have noted actually mounting thing is a little tricky with trying to hold it open and a screw and the drill, but it not doing a ton of them its not a huge deal. Also like mentioned, they need a little tweak when installing on a vertical run. I added 2 screws into the side of the pvc just above the clamps which was ok for my application. I got them so they wont rust, so hopefully they stand up to the weather for years to come. They are easily unclipped for adjusting and they stand off enough to clear the raised section of siding without a problem. They would benefit from having something to make the strap tighter or something on the inside to help keep the pipe from sliding. Overall for the price point a qty they are a decent option for securing pvc.