Nipro Blood Collection Needles 20 Gauge x 1 inch : 100ct Group_Covexin 8 Ingredients:L-Tryptophan-4gm

Ingredients:L-Tryptophan-4gm

Clear formula does not sting

Dried Aspergillus niger fermentation extract

apply gel with the lay of hair and tightly wrap

Nipro Blood Collection Needles 20 Gauge x 1 inch : 100ct Group_Covexin 8 Ingredients:L-Tryptophan-4gmThis Nipro Blood Collection Needle is a 20G X 1" Thin Wall needle. Thin wall needles are thinner than regular wall needles. The outside diameter is the same size. However, the inside diameter is bigger than the regular wall's inside diameter. This is a multiple draw blood collection needle. It is designed to provide the convenience of several sample collections with a single vein puncture.