http://tinyurl.com/qdmqpg6

Baby Mucus Extractor, Nasal Aspirator From Dr. Natural Healing. Patented Anti-backflow Valve, Doctor Designed and Patented. No Sucking, So No Filter to Buy or Use.

Two one-directional valves to ensure mucus never flows back toward baby's nasal passage

Removes the mucus causing baby's nasal blockage

Removes mucus whether the bulb is being squeezed or released

No need for filters or batteries. Nothing else to purchase

Disassembles easily after use for quick cleaning. Dishwasher safe