[COMPATIBLE MODELS]: Polaris 280 replacement parts are ideal for Polaris 280, 480 and 180 with "OVAL PLUG" attachment. Not compatible with Polaris 360, 380 with "SQUARE PLUG" attachment. [Reliable Quality]: The replacement filter bag for 280 is made of high quality durable nylon with strong seams at the joints. Durable ABS gaskets and tight weave allow it to withstand 120 microns of resistance, including leaves and twigs, small particles and dust. [Beautiful Velcro Design]: Polaris 280 replacement parts feature a Velcro design for easy opening and cleaning to empty the mess, simply open the Velcro to empty all the trash into the Polaris bag. Note: To prevent the Velcro from getting stuck, we recommend shaking the bag before opening the Velcro. [Easy to use]: The Polaris 280 bag is designed with Velcro, which makes it easy to open and clean; the size of the plastic cuff also makes it easy to install and remove. Note: The data are all measured manually, please allow 1-3cm error, due to