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National Guard Window Frame Kit L-FRA100$92.49
Use the NGP low-profile lite kit for 3/16", 1/4", or 5/16" glass (not included) in 1-3/4" thick hollow metal or wood doors. Frame is made from 18-ga. cold-rolled steel with mitered and welded corners and welded reinforcing clips at corners.
Kit includes 3/8" glazing space, countersunk mounting screw holes, plus hardware.