Need a Foster fitting extension hose

My Four Uncles pump has a filter at the end that makes for a rigid 2-3" or so and this interfers with my moderator. I am forced to remove the moderator and want to stop that nonsense.

I there a hose with a male foster (into my pump) and just a regular female foster into my rifle (Avenger). I did search but am coming up blanks. Appreciate any advice on how to proceed.

Thanks,

Added a sketch
Foster.PNG
 
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