im placing an order for some syringes and needles and they have 2 brands of syringes but only one brand of needle and they are out of stock on the syringes that are the same brand as the needles. is it safe to say that the needles will fit the syringes of a different manufacturer? i called some pharmacies just to make sure but you would never know that they were pharmacists. they were completely clueless. so can someone clear this up for me?