New 75mm NPS High Flow Five-In-One Fusible Cap.
The latest technology in pressure/vacuum relief vents improves the vacuum flow and maintains the combination vent compactness and all of the original Five-In-One features. Vacuum relief settings maintain a positive seal and a maximum negative pressure of .25 psig. Cable and hardware for attachment to tank is included. A full range of seal materials are also available to work with your chemical and environmental needs.
||75mm NPS high flow Five-In-One fusible cap