Electrolux Precision Vacuum Filter Set. Part No. EF145. Replaces Part Nos. 4055250270 & 4055250476.Hepa filter & exhaust filter set to fit Electrolux Precision upright vacuum cleaner models.Micromesh filter dimensions - 108mm x 74mm. Hepa filter dimensions - 123mm (width) x 123mm (height) x 31.5mm (thickness).Fits Electrolux Precision Upright Z8805AZ.We have been supplying appliance parts to the trade and retail for over 25 years. Buy with confidence.