1” Ultra-X® High Performance Compression Packing

1". Dissipates frictional heat - Over five times more thermally conductive than flax and PTFE. Grease-free installation - Self-lubricating and conformable, easy to install and remove after use. Virtually eliminates shaft scoring - Stays pliable, never hardens or becomes abrasive, even at high shaft speeds. Leakage practically eliminated - Doesn't shrink, keeps bilge drier and free of oily contaminants. Lasts over 5 times longer than other packing. 10# Box.