it's a good filter, I electrolux UltraOne and it suits me perfectly, there are two large filters with cutting patterns according to the model of your vacuum cleaner, c great as for the model I own, I ' have 4 in all, I have divided into two each filter, and compared to the prices, it is very interesting because c 4 times less than other original filters, I saw and which n ' have no difference, because the vacuum works very well, and sucks everything like new! buy without hesitation !!!