Keep your spa water clean and your inflatable hot tub performing at its best with this jacuzzi hot tub filter It puts less strain on the filter pump and traps additional dirt and particles within the filter paper The filter cartridge is easy to replace and only needs to be changed once per month Clean your filter every 120 hours by soaking it overnight in a filter bath Once you re ready for a dip in your personal spa reinstall your filter and get ready for the ultimate relaxation experience Regular hot tub immersion provides countless health benefits including reduced stress and anxiety better sleep reduced muscular and joint pain and more Personal hot tubs are ideal for people who live with chronic pain athletes people who suffer from insomnia families and more Features . Water Filter Cartridge for Inflatable Hot Tub Spa. This water filter cartridge keeps spa water clean and heightens your inflatable hot tub performance hot tub. Traps additional dirt and particles within its filter paper. Easy to replace changing the filter once per month is recommended. Clean the filter every 120 hours with an overnight soak Specifications . Color Blue. Dimension 4 x 4 x 4 inches. Weight 0 31 lbs