2) NEW POLARIS 91001015 360 380 Sand/Silt Replacement Original Bag 9-100-1015 This purchase is for TWO Polaris Replacement Filter Bags All Purpose bags are Standard for most pool applications with a varied debris mix Brand New Part Number: 91001015 9-100-1015 Fits Polaris models - 360 & 380 These are ORIGINAL POLARIS BAGS - NOT a generic brand!!