This is a compatible pump which fits almost any gallon size bottles. It has stainless steel spring for long lasting durability and an anti-siphon chamber to prevent leaking. Dispense just the right amount of liquid with this high output dispenser pump. Each dispenser pump includes an 11" dip tube. specifications: - Pump length (each): 16 in - lid diameter: 1.5 in - from lid to bottom length: 11 in.