Heine professional products is a brand that is best known for their quality and longevity in an office setting. These workhorses are designed to last, however, the bulbs will need to be replaced from time-to-time.
These ear-dams consist of flexible foam material in order to seal the auditory canal safely (12mm in length). Insertion with jaw tweezers and/or an ear light, protecting the TM is what they're designed to do. Need something smaller, our CIC...
Our standard foam oto blocks / foam ear dams are an industry standard due to their wide application range from tiny ear canal to large ear canal, these foam oto blocks / foam ear dams will fit most impression applications....
A deep, good impression is important for great custom products whether they're silicone ear molds or hard acrylic hearing aids and vented oto-blocks will ensure a comfortable, deep impression due to their pressure release attributes. Although these are more expensive...