Two-in-One!The Grit-Gitter Stretch allows you to clean without getting into the water. The extender portion can be removed to convert it to the 9"-long Grit-Gitter. It's perfect for vacuuming pool steps, splasher pools, spas, and hot tubs!Easy to Clean To clean-simply open the unit, fill the bulb with water, and pour the water over the screen. The Grit-Gitter is small and easily stored in or around the hot tub or pool. The standard model may be simply left floating between uses.The Grit-Gitter is great for cleaning your hot tub's filter compartment. Customized Reach-Replace the Grit-Gitter Stretch's yellow tube with a standard 1" PVC pipe cut to any length you want. Get the Grit While You Sit. The Grit-Gitter was designed to be used while relaxing in the hot tub, which is when people are typically most aware of grit.