Recommended For: Used as a flexible connection between the cementing pump manifold and cementing head for conveyance of cement slurries at high pressure. The 3/16" thick tube is designed to handle abrasive and corrosive cements. The UltraBrasion™ cover is designed to handle external damage from abrasion, corrosion, gouges, oil and weather. CAUTION: Field welding of couplings is not recommended.