Sundance Spas was the first spa/hot tub manufacturer to introduce MicroClean water filtration in 2002. In 2003 Sundance Spas was the first and only spa/hot tub manufacturer to receive an award from the Water Quality Association for spa/hot tub water filtration. Sundance Spas industry's first, wide-mouth Slipstream skimmer with 20" floating weir gate was introduced in 1986. MicroClean II water filtration, spa/hot tub industry was first introduced in 2005. MicroClean Plus water filtration system, spa/hot tub industry first introduced in 2007