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Esco Ascent Opti Ductless Fume Cabinet is equipped with features previously found only on high-end ductless fume cabinets to protect your laboratory personnel from harm. Offering laboratory safety with full-features at a great value, Esco Ascent Opti Ductless Fume Cabinet is among the finest in the industry, designed and produced by the world’s quality leader in clean-air technology products.

  • State of the art airflow monitor and alarm system
  • High Value: Full Featured fume cabinet at cost-effective pricing
  • 3 year limited warranty
  • Oval shaped arm ports provide good working flexibility and high containment levels


Key Benefits:

  • State of the art airflow monitor and alarm
  • Extremely Low Energy Consumption resulting in substantial long-term savings
  • High Value
  • Low Noise and Warm Lighting for Operator Comfort
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Operator Safety

  • A fully configurable Sentinel™ microprocessor control with audible and visual alarms to ensure safe working conditions.
  • Lip at the front edge of the work surface ensures that any spillage is contained within the work zone
  • 7 Nanocarb™ carbon filter types to choose from for optimal safety: volatile organic compound, acid, mercury, sulphur, halogen, aldehyde or ammonia.
  • VOC sensor to monitor the chemical concentration within the cabinet work zone
  • Grade 304 stainless steel work surface that will never rust, chip, or generate particles.

User-Friendly Design

  • Low noise levels (55 dBA) and built-in 5000k warm white fluorescent lighting for operator comfort
  • All cabinet service and filter replacement can be carried out from the front and a small Filter ID window enables users to easily identify the type of filter being used
  • Isocide™ antimicrobial coated structure eliminates 99.9% of bacterial presence on external surfaces within 24 hours
  • Removable work surface on a removable drain-pan for easy cleaning
  • Optional mobile cart for convenient relocation.



Guide to Models (Ascent Opti Series)

SPD   – 4     B    1



External Width


Back Wall Construction




Ascent Opti


33.1″ (3ft.)


EG steel


220-240 VAC , 50 Hz


44.9″ (4ft.)


Acrylic (transparent back wall)


110-220 VAC , 60 Hz


220-240 VAC , 50 Hz




Model220-240 VAC, 50 HzSPD-3A1SPD-3B1SPD-4A1SPD-4B1
110-120 VAC, 60 HzSPD-3A2SPD-3B2SPD-4A2SPD-4B2
220-240 VAC, 60 HzSPD-3A3SPD-3B3SPD-4A3SPD-4B3
Nominal Size0.9 meter (3′)1.2 meter (4′)
External Dimensions840 x 700 x 1125 mm1140 x 700 x 1125 mm
( W x D x H)33.1” x 27.6” x 44.3”44.9” x 27.6” x 44.3”
Internal work area820 x 651 x 855 mm1116 x 651 x 855 mm
( W x D x H)32.3” x 25.6” x 33.7”43.9 x 25.6” x 33.7”
Airflow velocity (inflow)0.5 m/s




Mobile Cart (MBC-3A0, MBC-4A0)

  • Optional mobile cart for placement of Ascent Opti
  • It has foldable trays to accommodate storage of large equipment
  • Ships unassembled