Where can I find a BSF mold manufacturer in country X ?

We maintain a list of Concrete Biosand Filter mold manufacturers here:  

If you know a reliable mold manufacturer that is not listed. You can submit their details using this form:

Diffuser Basins update and molds with no ledge

The diffuser plate is often a weak link in the BSF.  It gets damaged or bent, has a shorter lifespan and does not always properly protect the biolayer.  We would like to see a better option than the sheet metal diffuser basin - it's hard to make and more expensive.

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