The Volt FX-4Li vacuum is great for a quick and easy cleaning in your hot tub/pool. The battery lasts up to 45 minutes and is rechargeable in under 4 hours. This comes with two reusable filter bags and can be put on any standard pool pole. Can use for leaves, dirt, grime etc. in indoor or outdoor pools and spas. The vacuum head width is 7.50″ and can clean at a depth of 12.25″.