Ensure a clean and breathable work environment with this primary filter for your industrial pass-thru system. This filter captures large dust particles and debris commonly found in industrial settings, preventing them from entering clean work areas. Made from a robust and washable material, it offers long-lasting performance and promotes a healthier working environment for your team. This part is compatible with: Classeq H857A/DET Classeq H857A/DET WS Classeq H957A/DET Classeq H957A/DET/WS