Packaging includes: Weight replacement of swimming pool hoses, including 8 pieces, meeting different quantity requirements,suitable for various diameter 4cm hoses Suitable for: Suitable for most pool cleaners and compatible with for Zodiac for Suitable for Kreepey Krauly and for Preventing floating: The weight of the swimming pool cleaner hose can prevent the automatic swimming pool cleaner vacuum head from floating in the pool water without vacuum pumping Easy to use: Simply place the hose weight replacer on the approximately 15 inch hose of the broom, and the opening is designed to fit well on the hose