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  • OB – Oval Bellows (20×60–65×170 mm/0.9×2.4″–3.0×7.0″)
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  • OC – Oval Concave (60×140 mm/2.5×5.4″)
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  • RB – Rectangular Bellows (20×40–30×55 mm/0.8×1.6”–1.2×2.2″)
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  • U – Universal DURAFLEX® (20 mm/0.8″)
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  • OBF – Oval Bellows Friction (15×35–65×170 mm/2.0×4.1″–3.2×7.4″)
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  • OC – Oval Concave DURAFLEX® (35×90 mm/1.4×3.7″)
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  • U – Universal (2–50 mm/0.1-2.0″)
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  • OBL – Oval Bellows Long (40×90 mm/1.8X3.7″)
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  • OCF – Oval Concave Friction DURAFLEX® (20×80–40×110 mm/0.9×3.3″-1.6×4.5″)
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  • U – Universal FDA & EU (4–50 mm/0.2-2.0″)
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  • F-OB – Food, Oval Bellows, non-detectable (10×30–30×60 mm/0.39×1.18–1.18×2.36”)
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  • F-OB – Food, Oval Bellows, detectable (10×30–30×60 mm/0.39×1.18–1.18×2.36”)
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  • OF- Oval Flat (10×30 – 70×175 mm/0.4×1.2″–2.1×7.1″)
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