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Type 4 Liners

  • Made of High-Density Polyethylene (HDPE) these high-quality liners are light weight and corrosion resistant.
  • Type 4 liners weigh roughly 2/3rds less than Type 1 and Type 2, and much lighter than Type 3 cylinders.
  • The liners light weight result in more affordable transportation, work and shipping costs.

Polar Bosses

Optimum Composites patented polar bosses are engineered for unrivaled durability.

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