CDF-X Update: Our Water Barrier Filter, CDF-X is now adopted in the A4A Operating Standard ATA-103 A4A Bulletin 2022.1: Bulletin 2022.1and CSA B836:22! In mid-January, A4A issued Bulletin 2022. 1 Water Barrier Filtration, January 2022 – the last step needed for full acceptance at airports that adhere to ATA-103. The next stage is acceptance by JIG and IATA.

See the full clarifier and details at


Parker Velcon Clarifier – CDFX Update