I have one which I'll replace sometime in the future for a DIY. Good quality IMHO but the flange is in the way of working with the skimmer; I wish they had a removable filter-sock holder.
I have an Eshopps as well but didn't fit quite right for the tank so I opted for a "fancier" Trigger. The Eshopps does feature the removable sock holder and the con of it is the shape of the socks; rectangular...