Ductless Fume Hood Opti Series

Ductless Fume Hoods

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Our Opti & Max Ductless Fume Hoods provide protection to both laboratory personnel and the environment from toxic fumes and are quickly becoming a viable alternative to conventional fume hoods.

Unlike conventional fume hoods, these hoods filter out chemical fumes and recycle air directly back to the laboratory, providing energy savings, personnel and environmental protection, convenience as you do not have to deal with complicated ducting systems, and mobility, as ductless hoods are independent systems which do not require connection to extraction systems.

Product Description

Why Ductless Fume Hoods?

The “GREEN” solution
– Environmentally friendly
– Does not discharge toxic gases to the environment
– Saves energy, and reduces total carbon footprint

Safe carbon filtration
– Compliance to international standards
– Proprietary Nanocarb activated carbon technology
– Industry-unique dual diffuser system on our Ascent Max fume hoods optimizes carbon filter life
– Optional VOC sensor system on our Ascent Max hoods detects filter saturation
– FiltraCheck service to qualify your application’s suitability for a ductless solution
– Chemical Guide provides list of chemicals with specific suitability and safety data

Low cost
– No ductwork required
– No exhaust system required
– Saves the need for elaborate make-up air systems, in turn saving running costs required to condition make-up air

Convenience
– No installation hassle
– Mobile, flexible and easily relocatable

Part NumberExternal DimensionsInternal Work AreaInflow Air VelocitySound Emission

Ascent Opti A - Solid Back Wall

GSDF-3O-A33.1 in (W)
27.6 in (D)
44.3 in (H)
32.3 in (W)
25.6 in (D)
35.2 in (H)
100<58
GSDF-4O-A44.9 in (W)
27.6 in (D)
44.3 in (H)
43.9 in (W)
25.6 in (D)
35.2 in (H)
100<58

Ascent Opti B - Transparent Back Wall

GSDF-3O-B33.1 in (W)
27.6 in (D)
44.3 in (H)
32.3 in (W)
25.6 in (D)
35.2 in (H)
100<58
GSDF-4O-B44.9 in (W)
27.6 in (D)
44.3 in (H)
43.9 in (W)
25.6 in (D)
35.2 in (H)
100<58

Ascent Max B - Standard Single Filter with Solid Back Wall

GSDF-3M-B40.7 in (W)
29 in (D)
57.3 in (H)
38 in (W)
23.5 in (D)
30.1 in (H)
8055
GSDF-4M-B52.8 in (W)
29 in (D)
57.3 in (H)
50 in (W)
23.5 in (D)
30.1 in (H)
8057
GSDF-5M-B64.8 in (W)
29 in (D)
57.3 in (H)
62 in (W)
23.5 in (D)
30.1 in (H)
8058
GSDF-6M-B76.8 in (W)
29 in (D)
57.3 in (H)
74 in (W)
23.5 in (D)
30.1 in (H)
8058

Ascent Max C - Secondary Backup Carbon Filter

GSDF-3M-C40.7 in (W)
29 in (D)
57.3 in (H)
38 in (W)
23.5 in (D)
30.1 in (H)
8060
GSDF-4M-C52.8 in (W)
29 in (D)
57.3 in (H)
50 in (W)
23.5 in (D)
30.1 in (H)
8060
GSDF-5M-C64.8 in (W)
29 in (D)
57.3 in (H)
62 in (W)
23.5 in (D)
30.1 in (H)
8061
GSDF-6M-C76.8 in (W)
29 in (D)
57.3 in (H)
74 in (W)
23.5 in (D)
30.1 in (H)
8062

Ascent Max D - Transparent Back Wall

GSDF-3M-D40.7 in (W)
29 in (D)
57.3 in (H)
38 in (W)
23.5 in (D)
30.1 in (H)
8055
GSDF-4M-D52.8 in (W)
29 in (D)
57.3 in (H)
50 in (W)
23.5 in (D)
30.1 in (H)
8057
GSDF-5M-D64.8 in (W)
29 in (D)
57.3 in (H)
62 in (W)
23.5 in (D)
30.1 in (H)
8058
GSDF-6M-D76.8 in (W)
29 in (D)
57.3 in (H)
74 in (W)
23.5 in (D)
30.1 in (H)
8058

Ascent Max E - Secondary Backup HEPA Filter

GSDF-3M-E40.7 in (W)
29 in (D)
57.3 in (H)
38 in (W)
23.5 in (D)
30.1 in (H)
8061
GSDF-4M-E52.8 in (W)
29 in (D)
57.3 in (H)
50 in (W)
23.5 in (D)
30.1 in (H)
8061
GSDF-5M-E64.8 in (W)
29 in (D)
57.3 in (H)
62 in (W)
23.5 in (D)
30.1 in (H)
8062