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Outer frame width 70mm, 92mm, profile wall thickness 1.4mm 2.0mm;
The border connection is connected by 90 degrees of tenon and mortise.
You can do single open fan + fixed, double open fan, double open fan + double fixed and many other ways.
Glass notch (non pressure line] single glass width 7mm, 13mm, hllow notch width 24mm;
The width of the narrow door fan is 30mm, and it is economical and practical.
This series is based on 1.4mm wall thickness, 0.9m * 2.2m standard door per square consumables 5.183kg;