Excelsior is a superior medium for the use with fruit fly cultures. Made from finely curled softwood shavings that are free from chemicals and dyes.

The various structures excelsior provides allows for excellent ventilation over other mediums. While also encouraging mating behaviors and providing areas to lay eggs.

• Un-dyed, all natural wood product
• Provides hiding and climbing structures for fruit flies
• Proves to be the best medium for successful fruit fly cultures