Marquis Spa 35 Square Foot Filter For Amish Country Marquis Spas. This Filter Is Used In The Following Spas: 1996: All Models. 1996-(The Following Models Used (1) Each Filter #MRQC5423 And MRQC5434): Euphoria, Retreat, Reward, Departure, And Voyager RS. 1995: Mirage, Quest, Oasis, Spirit, Escapade, Duo Spa, And Escape. 1995-(The Following Models Used (1) Each Filter #MRQC5423 And MRQC5434): Euphoria, Reward, And Retreat. 1994: Secret, Mirage, Spirit, Oasis, Escapade, Duo Spa, And Serenity. Unicel C-5423, Pleatco PPM35, Filbur FC-3623.
