QFD-SGB-F-20-A-R
Stainless steel construction, melting fuse, 1.5-hour, 3V single skin blade
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QFD-SGB-F-30-A-R
Stainless steel construction, melting fuse, 3-hour, 3V single skin blade
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QFD-SGB-F-D-20-A-R
Stainless steel construction, melting fuse, 1.5-hour, 3V single skin blade, 4 in. wg, 2000 fpm
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QFD-SGB-F-D-30-A-R
Stainless steel construction, melting fuse, 3-hour, 3V single skin blade, 4 in. wg, 2000 fpm
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