Fit and Replace Polaris 280, 480 All Purpose bag K13, K16 Bag is made with the same fabric, weave and velcro as Polaris Same size (pocket, velcro opening, and snap-in plastic clip) as Polaris All purpose bag is designed to hold all types of debris: leafs, bugs, twigs, sand and silt. *** Not compatible with Polaris 360 380 model pool cleaner *** This aftermarket all purpose bag (velcro opening) replacement can be used to replace 280 480 pool cleaner all purpose velcro bag K16 and K13 bag.