80601 - 1.5'' Blox Height Extension

Item # - 80601

Blox height extensions fasten directly on top of RTB01 to bring Blox to a 6'' overall height. XTB02 allows for a 250 lb. maximum load when mounted onto Blox and 100 lb. maximum when elevated on threaded rods.

Prop65 Warning: Cancer and Reproductive Harm. For more information: https://www.P65warnings.ca.gov


  • Molded of UV resistant polypropylene
  • Notched saddle-top design for easy pipe alignment
  • Convenient install-from-the-top engineering
  • Reinforced screw starter guides
  • Mount directly to RTB01 for 6'' piping height requirements