(We will be happy to resolve any issues you may have in a cordial and friendly manner. Type：Tri Clamp. Material:Silicon Rubber. Size（Gasket I/D x Fits Ferrule O/D):12.7x25mm, 25x40mm, 19x34mm, 19x50.5mm, 25x50.5mm, 38x50.5mm, 45x64mm, 57x77.5mm, 63x77.5mm, 76x91mm, 89x106mm, 102x119mm, 108x119mm, 114x130mm, 133x145mm, 154x167mm.
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