SIMPLE, DURABLE DESIGN - that 't break and doesn't require electricity. There are no unnecessary mechanisms that brake or clog or jam and the hose is flexible. This spa vacuum will last for years and years, as long as you don't use it for sword or let your dog use it as a chew toy. CONSTANT CLEANING SUCTION - to suck up sand and other particles the filters don't get. This allows you to quickly and effectively clean your spa with minimal loss of water. Other spa vacuums require electricity or only work while you pull a handle. NO NEED TO DRAIN YOUR HOT TUB - now you can clean the debris from the bottom of your hot tub without having to drain the water. Use this spa in conjunction with regular chlorine and shock treatments to maintain water. HOW TO USE - keep nozzle in the water, bend down so the drain is lower than the surface of the water, place hand over the bottom hole, suck hard for about one second, release hand from bottom hole, and start cleaning You can rotate the nozzle by twisting the rigid pipe connected to the nozzle FOR SPAS, HOT TUBS, AND SMALL ABOVE-GROUND POOLS - not intended for pools or for draining, that would take a very long time. Colour:As Shown Material:Plastic Package Contents: 1 * Spa vacuum cleaner Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.