Polypropylene Products
The Best Solution in the Market

Proudly designed by LP Cylinder and manufactured in the USA.

Polypropylene Lids

Our patented lids are manufactured in-house. They can fit original manufacturer's hinges; Worthington, Manchester and older Trinity designs. No hinge? No problem. Our exclusive "fits-all" hinge easily attaches. Choose from a variety of in-stock colors and sizes, ready to ship.   


  • Anti-Static
  • U/V Resistant to Protect Against Fading
  • Tested to -20°F
  • Available in 8 Sizes
  • Available in Many Colors
  • Wind Resistant - Our patented "Snap On, Stay On" design won't allow the lid to blow open!


Polypropylene Domes

Our universal dome fits 120 gallon to 1000 gallon ASME tanks. No measuring, no need to stock several sizes. One Size is Your One Solution!

  • Anti-Static
  • U/V Resistant to Protect Against Fading
  • Tested to -20°F
  • One Size – Fits 120 - 1000 Gallon Tanks
  • Available in Many Colors


Polypropylene Ready Set Blocks

Our durable, lightweight, timesaving and even stackable bases are a must-have for setting tanks.

  • 16” x 16” Blocks
  • U/V Resistant to Protect Against Fading
  • Tested to -20°F
  • Space-Saving Design – Easily Stackable
  • Lightweight & Durable
  • Interlocking for Multiple Tank Sets
  • 1 - for 100# cylinder; 3 - for 300# cylinder; 4 - for 420# cylinder
  • Many Uses - Pool Pumps, Generators, Air Conditioning Units


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