A. Powder coated box steel provides the toughest, most durable frame you'll find anywhere.

B. Box steel reinforcements give the frame's top flange greater strength.

C. The frame is finished with a vac formed high density polymer base that helps keep the heat in and the unwanted pests out.

D. High Tech Polar Wrap provides a continuous thermal barrier that eliminates cold spots and significally reduces energy costs. The silver coating on the inside of the wrap reflects heat back under the skirt where it belongs.

E. Iceynene foam insulation makes a Master Spa one of the most energy-efficient spas in the industry. It also helps support the weight of the plumbing in the spa. Master Spas meet the stringent standards set by the California Energy Commission.

F. Our manifold plumbing system ensures that pressure is distributed equally among the spa's jets.

G. Our DuraMaster™ skirting is made of high-impact weatherable polymer. It features authentic wood grain patterns randomly etched into the polymer for a rich, three-dimensional look. And it's easy to care for with a cloth and garden hose with virtually no fading or color change.

H. For added peace of mind, built-in Microban® antimicrobial product protection is added to the Lucite® acrylic shell to inhibit the growth of bacteria that cause odors and stains.