SCREEN
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SCREEN E4JP is a 4-inch-deep high performance wall louver with a standard blade. SCREEN E4JP is intended for general ventilation or air exhaust. SCREEN E4JP has 58.4% free area for a 48-inch-wide by 48-inch-high louver.[1][2]
The E4JP has standard blades spaced at 3". The E4JP includes an internal bird screen as a standard screen arrangement. The E4JP is made from 0.081" thick aluminum extrusion. The E4JP has 58.4% free area for a 48" by 48" louver. The E4JP has a free area velocity at first point of water penetration of 960 fpm. The E4JP has a 30 psf wind load design or wind load rating.[2][1]
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The following facts about the E4JP are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.
No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the E4JP are on record.
Answerable by: OEM historical records or a trade-press announcement
No publicly documented variants, configuration options, or revision breakpoints of the E4JP are on record.
Answerable by: an OEM product catalog or an engineer who ordered or specified the tool
The control-system platform and OS era of the E4JP are not on record.
Answerable by: an engineer who operated it or OEM installation records
No publicly documented failure modes or field errata for the E4JP are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the E4JP is not on record.
Answerable by: an OEM datasheet or a fab qualification report
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Last updated Oct 16, 2026.