) 11 1/4 Overall height (In

Structural ribs attached to weather-resistant sun-protecting fabric expand out from the body to lock the fin in place

A fixed version of each opening porthole is also available

Gray Cast AluminumStandard Product

For 24-Volt

Vetus ASDV - Anti Syphon Device with valve, 13 - 32 mm Bernard ) 11 1/4 Overall heightType ASDV air vents are interchangeable with type AIRVENT and have the same fixing hole centers. The advantage is that the air bleed connection rotates through 360. In addition, the valve can be maintained without removing the vent from the wall and no tools are required to do this. For replacement, a set with 5 valves is available as a spare part.