Plant insulating equipment, LLC. manufactures  Pipes from fiberglass of different diameters
(external x internal), mm:

12х7     (minimal order– 100 kg) – 1,6$for 1m

22х16 (minimal order– 0,5 kg) –  2,6$ for 1 m

28х22 (minimal order– 0,5 kg) –  3,15$ for 1 m

36х30 (minimal order– 0,5 kg) –  5$ for 1m