- Air curtain made of aluminium with a plastic shim up to 82 °C
- Air curtain made of aluminium with a stainless steel shim up to 205 °C (custom built)
- Air curtain made of stainless steel with a stainless steel shim up to 427 °C*
- Air curtain made of PVDF with a PVDF shim up to 135 °C
*Temperatures above 427 °C can cause intracrystalline corrosion which obstructs the air gap.