I also have an Arrow cabinet- Bertha is the style. Doesn't have hydraulics exactly but the bed is adjustable to different heights. The insert is custom cut to fit your machine. I do close the doors if I'm not sewing for a period of time, like now, I'm out of town. It just looks nice that way and I feel it helps keep the dust out. I ordered it online from SewVacDirect. Good customer service from them, IMHO. I've had it about 8 years and have been pleased with it.