WIN2000 Type 1 Air Vent Head, including Screen (mesh 18) with DIN PN10 flange connection. - Made of seawater resistant Aluminum DIN1725, - Non corroding(If fitted according to fitting instructions), - Maintenance free, smallest design available, - Cost saving, - High volume metric flow, - Light weight = less fuel = less CO2 emission. Available three types: Type 1 - Standard, Type 1B - Smaller air inlet opening, Type 1B - Small flange connection. Approved by all major classification societies – ABS, BV, DNV, GL, Lloyd’s, RINA, RMRS, CCS, and NK. Please specify the type of air vent heads, flange size to be connected with the type of pipe head when ordering.