Continental 3/8" Material Fluid Hose Assely 750psi NR Spray …Description. Reviews. Our material/fluid hose asselies are made of a Continental (ContiTech) NR Spray hose with a 750psi rating. The 3/8'''' hose assely has reusable 3/8'''' NPSF swivel ends. Commonly used for pumping paint between pressure pots or transfer pumps to spray guns. our P/N:222001.