Sundance® Spas 6540-502S Spun Bound Filter Type_Front Starting balanced lets the borates

Starting balanced lets the borates do their buffering job from day one instead of fighting water that's still drifting

Low pH does real damage

A truly clean hot tub takes two things most owners never do together: purging the hidden biofilm out of the plumbing

Recordable results will usually occur within 1 hour of use

taking the place of OEM part PVT 50WH

Sundance® Spas 6540-502S Spun Bound Filter Type_Front Starting balanced lets the boratesSundance Spas 6540 502S Spun Bound Filter Overview Replacement filter for your Sundance Spa. This filter is designed to be used in conjunction with filter 6540 501S for a deeper filtration process. This filter is open on both ends. This filter is a disposable filter. What's in the Box 1 x Sundance Spas 6540 502S Spun Bound Filter Compatibility 780 Series: 2007 2025 Select Series Constance 2011 2018 Victoria 2011 2018 780 Series Bahia 2006 Cayman 2006