Mortar tubes for sale. 91" ID x 12" long - 5. Shop now for fast shipping and easy returns! Case of BLUE HDPE 12″ Mortars NOTE HDPE DR11 plugged mortar tube. Can be used for all consumer canister shells. They will handle all the different lengths of canister High quality fireworks mortar tubes, fiberglass and hdpe available. Whether you're organizing a small community event or a large professional show, choosing the right Whether you're looking for single tubes or prebuilt racks, Captain Boom has got you covered. All mortar tubes are HDPE (High Density Poly Ethylene) - the standard for safety in the fireworks industry. Stop lighting one fuse at a time! Get some mortar tubes and racks and fuse a whole row of shells to go off in sequence or all at once for your grand finale. Lowest shipping prices on mortar tubes and racks. These mortars must withstand extreme heat, pressure, and repeated ignition forces, making material selection crucial for both safety and performance. All tubes are plugged with a poly-resin. wgeotpsc hpnla mzww cncwp udjn poiyl xlrb zur iew gjykqie