Automate your routine and simplify troublesome pool care with the Hey! Cool Pool Flip Plop XL Floating Dispenser and Coleman Filter Pump Replacement Cartridge. This chemical pool float helps keep your pool clean with less work and up to 50 percent less chlorine. Utilize the float to balance the mineral and chlorine until it reaches ideal levels. This slow-release pool aid simplifies your pool care routine and automates it to allow for more pool enjoyment and less upkeep stress. When swimmers enter the water, feel free to remove the chlorine dispenser from the water and place it on a surface that won't be damaged by the chlorine. Return it to the water after the day's pool fun ends. The Coleman Type IV/Type B Filter Cartridge is a replacement swimming pool filter cartridge for your Coleman 2,100 and 2,500 gallons/hour filter pump. This filter cartridge sifts out the debris and dirt in your above-ground swimming pool so the pump refills it with clean pool water. Replace your filter cartridge every few weeks to ensure your pool stays clean. Take the stress out of pool care with the Hey! Cool Pool Flip Plop XL Floating Dispenser and Coleman Filter Pump Replacement Cartridge.