FG-450 - 1 3/4" x 4 1/2" Flush Glazed Storefront System
The Lupton FG-450 storefront system is a non-thermally improved aluminum storefront system for 1/4" thick monolithic glazing.
FG-451 - 2" x 4 1/2" Flush Glazed Storefront System
The Lupton FG-451 storefront system is a non-thermally improved aluminum storefront system for 1" thick glass.
FG-451T - 2" x 4 1/2" Flush Glazed Storefront System
The Lupton FG-451T storefront system is a thermally isolated aluminum storefront system for 1" thick glass.