
PRODUCT INNOVATION "Sintered Wave-Slotted Vents
Self-cleaning high-performance air release vents made of sintered stainless steel alloy with a 0.2mm wave slot.


Ludwig Föbus GmbH & Co KG is a manufacturer and trading company specialised in foundry and patternmaking supplies.
We serve customers in Europe and around the world with a tremendous variety of products. We are committed to customer satisfaction, we define as the most competitive market prices combined with superior customers service.


Self-cleaning high-performance air release vents made of sintered stainless steel alloy with a 0.2mm wave slot.

At the beginning of 2024, Ludwig Föbus GmbH & Co. KG acquired the long-established vent manufacturer Fa. Zimmermann from Lahnau, including its entire machinery.

The "Föbushot", formerly known as Unitube, was further developed in collaboration with several renowned Cold-Box core manufacturers through long-term testing with newly used plastics