I bought this model of vacuum after extensive online research. As my partner has long hair which drops on the carpet, the roller design on this vacuum was the main selling point. Long hairs get automatically "combed off" the roller as it spins around, which means I don't have to manually untangle hairs. I've used it a few weeks now and it's lived up to expectations. Other reviewers online note that even the big brands like Dyson don't have this excellent feature. Highly recommend for this reason, aside from PB Tech having an excellent price compared to other retailers. No negatives to report so far; happy with battery life, performance etc. I...view more