Perfume Studio Pump Dispenser to use with Gallon (128oz), Half Gallon (64oz) and Other Containers with a 38/400 Neck Size and a Trimmable Long 11.5” Dip Tube. The Ideal Replacement Pump to Use with Lotions, Soaps, Shampoo, Skin Treatments, Oils, Shower Gels, Hand Creams, Syrups, Popcorn Oil, Laundry Detergent, Barbeque Sauce, Paints, and More; Accurately Dispensing 4ml of Liquid with Each Pump Stroke.The Pump is made from Safe to Use Food Grade Polypropylene Material with a Stainless-Steel Spring that do not leach harmful chemicals into foods or liquids. It is reusable and Easy to Clean and Use Pump Dispenser. Ideal for Home, Industrial or Commercial Use. Fits Glass or Plastic Gallon Jugs with a 38/400 Neck Finish. The 11.5” Dip Tube can easily be trimmed with a pair of scissors.IMPORTANT: If your container’s neck size is not 38/400 it will not fit properly. Please measure and make sure your bottle’s neck size is 38/400 (38mm diameter) before you buy replacement pump from Perfume Studio to prevent returns.