Vacuum Filter are engineered to be used in conjunction with reusable for pool cleaner filters for extra-fine cleaning 1 Filter cotton holder Replacement Centennial, Eclipse, Fusion PV-10, Hydro 500, iVac 350, iVac M3, Pulse, Rush X21 Pool Vacuums for Water Tech The host are not included in the package, and the pictures are only for effect display A brand-new, unused, unopened, undamaged item in its original packaging. The purchase includes a pack of Filter cotton holder, manufactured to leave your pool or spa sparkling clean. Fits models Centennial, Eclipse, Ivac M-3, Ivac 350, Rush X21, Pulse (Gen 2), Speed Vac Turbo and Hydro 500. 1 pack Filter cotton holder Vacuum Filter are engineered to be used in conjunction with reusable for pool cleaner filters for extra-fine cleaning! The host are not included in the package, and the pictures are only for effect display. Welcome to visting our shop！