LVN20S intumescent fire & smoke resistant air transfer grilles
Manufactured by ASSA ABLOY T/A Lorient
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Product Description
The LVN20S provides a unique solution to the problem of containing both fire + smoke in emergency conditions yet offering good air transfer through doors in everyday use. Using the same intumescent louvred slat configuration as the LVN20, but incorporating an electro mechanically operated smoke shutter mechanism. Can provide up to 60 minutes fire + smoke resistance.