I owned an inground pool installation company 15 years ago and have installed all makes and models. This is not a cheap knock off nor is it junk. What Vevor gives with the purchase price cannot be compared with any other pool filter. The option to use 2" or 1.5", along with having two options where to have the inlet is unheard of. As for parts, what parts could you need that isn't available anywhere? Comes with an excellent quality gauge, gasket, filter, and a choice of size for piping as well as choice of where you want the inlet at. I have used mine for two seasons nowadays and am very satisfied.