SPRI Xertube (Purple, Ultra Heavy)

Purple (Ultra Heavy) Xertube is for extremely fit men and women. At 1-1/2 times its length, the weight equivalence of this tube is approximately 20-27 pounds.

Product Features

  • Ultra Heavy Resistance (Purple) offers 20-Percent more resistance than Heavy (Blue)
  • High-quality rubber material offers progressive resistance
  • Perfect for travel, gym, or in-home use
  • Helps you isolate target muscles more effectively
  • Tube measures approx. 53″ in length