R7Dinc PDC Spa Accessories *R7Dinc PDC Spa ADVANTAGE STEPS DIAMOND 3 tier * Cedar or Permawood. May be used with AdvantagePak option. Choose the Diamond upgrade for your Advantage Step giving you a slip resistant Permastone™ tread finish. Two tier step units available in cedar, PermaWood™ Steps are available in four cabinet finishes to match your spa skirting material. ** Retail $875.00 Sold separately -R7Dinc wholesale discount as noted plus Tax & delivery. Credit available with AdvantagePak option.