My wife is a paraplegic, and she needs a shower commode chair to take care of business. My wife's previous shower chair lasted seven years. This one has caused problems since the first week we've got it.
The plastic hardware that holds the armrests do not hold against horizontal (to the side) force. My wife has scoleosus and leans to the right and busted the armrest the first time she used the chair. After having the warranty replace it four times in the first three weeks we gave up on the armrest and left it broken.
The crossbars are not connected and are free-floating. What this means is that the chair is wobbly as you roll around and wobbly as you transfer. Also because of this the seat has the bad habit of a corner popping off the frame.
The worst thing, however, and the most dangerous is the base of the frame where the threaded caster wheel screws in. The bolt on the caster wheel is made of stainless steel, and is nearly invincible. It screws into the aluminum frame into ALUMINUM threading! The threading on the left wheel stripped, and the wheel would constantly pop off, so I put a screw in from the side to hold it on a year ago. At this point it is getting more and more dangerous to use the wheelchair because the frame is wearing out where the wheel would screw in if the threading hadn't gone bad.
I voided the warranty by putting the screw in, but because of all of these problems I wouldn't want a new frame. This chair is the worst manufacturing that I could imagine. By the way, my wife weighs 255, which is five pounds heavier than her previous chair recommended, so we were talked into buying this chair which was supposed to handle up to 300 pounds. She has gained ten pounds or so since then, two years ago, but I wish we had never switched to this chair.
If you are not paraplegic, and falling out of your chair isn't a big deal, go ahead and buy this chair. If not, get a better built aluminum chair, or better yet get a steel one. They might weigh more, but it is worth it.