Sometimes the simplest solutions are the best.

Nytrel cloth will be your secret weapon when you're extracting. You can slip the nylon cloth in between two strainers, or fit it underneath a coarse strainer as a final step in the extracting process. To clean nytrel cloth, you can hose it or wash it in warm water. 

Nytrel cloth is a very cheap and versatile honey straining solution. This smaller cloth is suitable for everyday honey straining into buckets or smaller tanks. 

400um. Note: strainer is for demonstration purposes only.