44 [ NASAL CATHETERS, STOMACH TUBES, RECTALTUBES, 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