HDPE Racks. HDPE (High Density PolyEthylene), the standard for safety in the fireworks industry. All tubes are the consumer 1.91" ID and come plugged and stapled. 2-1/4" OD of the tube. Manufactured in the U.S. Racks are made in our warehouse.
Fiberglass Racks - Imported from China. All mortar tubes are fiberglass and plugged with a poly-resin.
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