Pentair 360140 Kreepy Krauly® Prowler® 820/830 Cartridge Assembly is a genuine Pentair OEM replacement part. The Prowler 820 cleaner takes all the work and hassle out of keeping your inground pool spotless and inviting. Its advanced design scrubs, vacuums and filters, cleaning most pools (including the waterline) in just three hours. The Prowler 820 cleaner is also an environmentally friendly pool cleaning choice.