UltraLife®
Its elegant, white textured surface is soft on your skin yet tough enough to outlast any other spa shell material. 

• Lifetime Warranty
• Fade-resistant for long-term beauty
• Slip-resistant for safety
• Maintenance-free
• Ideal for optimal nightime illumination

Envirotect?
Rugged and durable, its all weather exterior will retain its beauty for many years to come.

• Stain and fade resistant
• No painting or staining required
• 100% recycled plastic (HDPE)
• Enviromentally-friendly material
• 5-year warranty

FastFlo Heater
The most durable and reliable spa heater on the market.   

• 5-Year Unconditional Warranty
• High-flow design prohibits harmful mineral build-up
• Stainless steel, no-weld construction for longer life
• Large surface area and low density lowers heat costs
• Smart Heat: variable output provides optimal heat recovery and lower energy consumption

100% Full Foam Insulation
D1 Spas are 100% foam insulated with closed-cell urethane like commercial freezers to minimize heat loss and ensure the lowest energy costs possible.

• Multi-density provides added structural integrity
• Encapsulates plumbing to prevent leaks
• Absorbs equipment noise for quiest operation
• E.P.A compliant material

Ultra Pure® Water Management
This patented system filters and purifies your spa water 24/7 and uses less electricity than a 100-watt light bulb. 

• 84% of energy used returned as heat
• Low-consumption circulation pump
• Durable components for longer life
• Virtually silent operation