ERA1537: Features: -Micro allergen. -Captures 90% of particles larger than 1 micron in estimate. -Hoover type Y and Z. -Fits model series: All WindTunnel (excluding WindTunnel 2), Savvy, Tempo Widepath Bagged Uprights, Upright cleaners using Z bags including AutoDrive, Whisper Easy, Caddy Vac, Dimension, DirtFinder, PowerDrive, PowerMax, and TurboPower 3500, 3700, 4500, 5000, 6000, and 7000 Uprights. Product Type: -Vacuum Cleaner Bag. Dimensions: Overall Crest - Top to Bottom: -7.5. Overall Width - Side to Side: -7. Overall Depth - Front to Back: -1.25. Overall Product Weight: -0.3 lbs.