Challenger 21D
Master SpasWhat Buyers Are Paying
Price on request — contact a dealer for a quote.
Key Specifications
Seats
8
Jets
53
Dimensions
257" x 94" x 60"
Volume
1830 gal
Performance Level
Performance
Propulsion Type
Jetted Airless
Pumps
5
Performance Ratings
Energy Efficiency
3/3 — High Efficiency
Shell Durability
Strong
Lighting
3/3
Features
Warranty
5 Years Parts & Labor
Expert Guides
Best Swim Spas for Fitness Training
Not all swim spas are built for athletic training. We highlight the models with the strongest, smoothest currents and the best exercise accessories for a full-body workout.
Swim Spa Buying Guide: What to Know Before You Buy
Buying a swim spa is a significant investment. This guide covers size, propulsion systems, installation requirements, and budget considerations to help you choose with confidence.
Hunter Insights
2 free questions
Quick questions:
Hunter may have incomplete or incorrect information — trust, but verify.
User-Reported Pricing
Available From This Dealer
Enter your zip code to find dealers near you