Breather cap in polyamide-based technopolymer with orange cover with the word "OIL" and black threaded fitting, NBR synthetic rubber packing ring, without air filter, or with "tech-foam" air filter in cross-linked polyurethane foam and filtration fineness 40 µ.
They are characterized by a large air flow rate as required in particular applications such as hydraulic power packs or fluid tanks subject to rapid volume changes.