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Nominal size | Actual size | Rated air volume | Surface air speed | Rated initial resistance | Recommended final resistance | ||
inch | (mm) | (m3/h) | (m/s) | (Pa) | (Pa) | ||
W×H×D | W×H×D | H13 | H14 | Initial resistance 2-2.5 times | |||
12×24×3 | 305×610×80 | 200 | 0.36 | 249 | 280 | ||
24×24×3 | 610×610×80 | 420 | 0.36 | 249 | 280 | ||
12×24×6 | 305×610×150 | 420 | 0.77 | 249 | 280 | ||
24×24×6 | 610×610×150 | 900 | 0.77 | 249 | 280 | ||
12×24×9 | 305×610×220 | 650 | 1.20 | 249 | 280 | ||
24×24×9 | 610×610×220 | 1400 | 1.20 | 249 | 280 | ||
12×24×12 | 305×610×292 | 860 | 1.60 | 249 | 280 | ||
24×24×12 | 610×610×292 | 1860 | 1.60 | 249 | 280 | ||








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