EBA
The EBA type louvres are designed for usage in external termination of air ducts. They are designed for use in ductwork outlets.
EEC
The EEC type louvres are designed for usage in external termination of air ducts.
EFA
The EFA type louvres are designed for covering the openings to the outside, being installed at the inside of the wall. The bathroom is also described as a blind.
EHA
EHA-type louvers are designed for use in environments where dust or sand is dense. The product is designed to prevent particles, such as dust, sand, etc., from entering the ventilation system of the rainwater, which can not be counted as micro. It acts as a pre-filter against sand and dust in ventilation systems.
EJA
The EJA type louvres are designed for decreasing sound transfer between from inside and to outside of a building, while permitting air transfer.
ELA
The ELA type backdraft louvres are designed for preventing backdraft in ducts that are connected to outside.