Original BEKO CLEARPOINT Filter Element 05W (4004321) Original BEKO CLEARPOINT filter element 0W, part number 4004321 — the replacement cartridge for CLEARPOINT compressed air filters. Original Filtration Performance CLEARPOINT 3eco is the energy-efficient compressed air filtration series from BEKO TECHNOLOGIES. An optimised air flow path and high-quality filtration materials lower the differential pressure by up to 50% and reduce the oil outlet concentration by a factor of