Perfectly compatible with the Polaris 280 and 480, K13 and K16 robot pool cleaners. Same design and quality as the original Quality components: ultra-fine mesh to capture the finest debris, high quality zipper, durable seams with reinforced edges. The connection between the bag and the rigid plastic fastening ring keeps the entrance of the bag always open and allows a better passage of the waste. Easy to install and use thanks to the automatic locking claws, with velcro on the tube for a better passage of the dirt, easy opening of the bag thanks to the high quality velcro that extends over the entire width of the bag. Sets of 2 mud bags adaptable to ZIP for Polaris 280 robot or 480. Quality at the best price.< /p> Product description Set of 2 mud bags adaptable for the Polaris 280 or 480 pool cleaning robot, model identical to the K13 K16. Closure of the bag with a zip or zip. High-quality materials for a longer service life.