Select a Hood

Sliding-Vane Air Speed Monitor

Begin by selecting the hood size (large or small, available for single or twin stations); then choose the material that's right for your application. Notice that each hood comes with a swing-up access shield of a compatible material, indicated on the ordering table. Access shields can be selected in other materials or with custom cut-outs; let us know your requirements.

Hoods Available with Permanent Bottoms
To order, add "-1" (25 mm) to the catalog no. and 30% to the price of the hood you select. Includes a 0.5" (13 mm) front lip.

All Universal Hoods include an air speed monitor and a 26"W x 11.5"D (660 mm x 292 mm) cut-out for attachment of filter module (order adapter plate to cover opening).

Universal Hood Nominal Dimensions, inches (mm) Type A B C D E F G H Small Single 16 (406) 24 (610) 8 (203) 32 (813) 36 (914) 17 (432) 23 (584) 8 (203) Large Single 19 (483) 28 (711) 8 (203) 41 (1041) 45 (1143) 21 (533) 27 (686) 8 (203) Small Twin 16 (406) 24 (610) 8 (203) 67 (1702) 72 (432) 17 (432) 23 (584) 8 (203) Large Twin 19 (483) 28 (711) 8 (203) 87 (2210) 90 (2286) 21 (533) 27 686) 8 (203)	Polypropylene Hood (shown without bottom)
Stainless Steel Hood (shown without bottom)	Tempered Glass Hood, shown with optional Adapter Panel for exhaust conduit
Before you order,   Consider Your Options!     Specialty Plastics     Specify any of these systems in dozens of other materials.     QuickQuote Planner Type Universal Hoods (includes access shield of materials indicated in parentheses) See Dimensions above Polypropylene (Nondissipative PVC shield) Static Dissipative PVC (Dissipative PVC shield) Nondissipative PVC (Nondissipative PVC shield) Cat. # $/Each Cat. # $/Each Cat. # $/Each Small Single 7900-12A Login 2241-03A Login 7900-14A Login Large Single 7900-13A Login 2241-04A Login 7900-15A Login Small Twin 7900-06A Login 2242-00A Login 7900-08A Login Large Twin 7900-07A Login 2242-01A Login 7900-09A Login See Dimensions above 304 Stainless steel (Dissipative PVC shield) Acrylic* (Acrylic shield) Tempered Glass (Dissipative PVC shield) Cat. # $/Each Cat. # $/Each Cat. # $/Each Small Single 2900-16A Login 1715-09A Login 2900-14A Login Large Single 2900-17A Login 1715-10A Login 2900-15A Login Small Twin 2900-06A Login 1715-06A Login 2900-12A Login Large Twin 2900-07A Login 1715-08A Login 2900-13A Login *Acrylic is damaged by alcohol and other cleaning agents.
Performance Laminar Flow* Exhaust Fume** Hood Size Flow Velocity Flow Velocity Small Single 800 CFM (1359.21 m³/h) 175 ft./min. 200 CFM (339.80 m³/h) 117 ft./min. Large Single 800 CFM (1359.21 m³/h) 175 ft./min. 200 CFM (339.80 m³/h) 90 ft./min. Small Twin 1600 CFM (2718.42 m³/h) 175 ft./min. 400 CFM (679.60 m³/h) 111 ft./min. Large Twin 1600 CFM (2718.42 m³/h) 175 ft./min. 400 CFM (679.60 m³/h) 88 ft./min.   For high-velocity exhaust fume requirements, select Terra's Benchtp Ductless Exhaust Fume Hood. * Average values for operation with HEPA filter(s) No. 1681-02 (twin stations use two filter/blower modules) at “high” setting. Velocity reading taken at the filter face; speed adjustable down to 100 ft./min. ** Average values for operation with activated charcoal filter(s) No. 1716-00A (twin stations use two filter/blower modules). Exhaust systems operate at “high” setting only (no speed control). Velocity readings taken at hood inlet with shield down (8" gap).
Spill Trays, for Universal Hoods These trays are ideal for containing spills. Available in stainless steel or polypropylene to meet various material compatibility requirements, each features a 0.5" (13 mm) lip (custom sizes available).
For Hood Size in (mm) 304 Stainless Steel Polypropylene Cat. # $/Each Cat. # $/Each Sm. Single, 31.5 x 23.5 x 0.5 (800 x 597 x 13) 7900-25 Login 7900-30 Login Lg. Single, 40.5 x 27.5 x 0.5 (1029 x 699 x 13) 7900-26 Login 7900-31 Login Sm. Twin, 66.5 x 23.5 x 0.5 (1689 x 597 x 13) 7900-27 Login 7900-32 Login Lg. Twin, 86.5 x 27.5 x 0.5 (2197 x 699 x 13) 7900-28 Login 7900-33 Login