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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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![](https://beteccad.com/wp-content/uploads/2021/05/1-QFD-GB-for-all-450x450.jpg)
QFD-SGB-F-D-30-A-R
Stainless steel construction, melting fuse, 3-hour, 3V single skin blade, 4 in. wg, 2000 fpm
Read more