Hot Spring Replacement Filter Vanguard 71825 Hot Spring Replacement Filter is for the following models. Make Model Date Range Hot Spring Grandee 1991-Current Hot Spring Vista 2004-2013 Hot Spring Envoy 2004-Current Hot Spring Vanguard 2001-Current Hot Spring Grandee NXT 2014-Current Hot Spring Envoy NXT 2014-Current Hot Spring Jetsetter NXT 2014-Current Hot Spring Jetsetter 1991-Current Hot Spring Prodigy 1991-Current Hot Spring Sovereign 1991-Current Hot Spring Alccolade 2005-2006 Hot Spring Landmark 1997-2003 Hot Spring Summit 1995-1996 Hot Spring Aria 2007-2015 Hot Spring Highlife ILE 2003 Hot Spot RLX 1998-2002 Hot Spot SLX 1998-2002 Hot Spot SX 2011-Current Hot Spot TX 2011-Current Hot Spot SLXtra 2001-2002 Hot Spot RE 1998-2002 Hot Spot SE 1998-2000 Solana SX 2003-2010 Solana TX 2000-2010 Solana RX 2003-2009 Caldera Tarino 2013-Current