44 NASAL CATHETERS, STOMACH TUBES, RECTAL TUBES, RUBBER TUBING FOR SURGICAL USE, TUBES EQUIPPED WITH NEEDLES AND NEEDLE ADAPTERS FOR THE ADMINISTRATION OF PARENTERAL FLUIDS, AIR FILTERS FOR FILTERING AIR ENTERING DISPENSING CONTAINERS OF PARENTERAL SOLUTIONS, NEEDLE ADAPTERS, DRIP HOUSINGS, AND DISPENSING CONTAINERS OF PARENTERAL FLUIDS FOR HOSPITAL USE