Benchtop, floor-mounted, and custom configurations, with the fastest fume hood shipping times in the industry

Sash Designs

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Vertical Rising Sash

Standard feature on HLS Benchtop and Floor-Mounted hoods
Frameless sash with laminated safety glass and vented finger pull
30-1/2″ high sash opening with a 36″ high sight line
Stainless steel flush sill bottom air foil
NOTE: Hoods wider than 94″ will feature a Split Sash (-SPS; see below)

Combination Sash – Horizontal / Vertical (optional)

Incorporates both a vertical rising sash and a horizontal sliding sash.
Check with your HLS representative to see how many horizontal panels are provided with each size fume hood
To specify a combination sash design, add -CS at the end of the fume hood model number

SPS – Split Sash (optional)

Two independent vertical sashes open on a post-less track design
To specify a split sash, specify -SPS at the end of the fume hood model number
Maximum sash opening on Split-Sash fume hoods is 28″
ONLY AVAILABLE ON 70, 94″, 120″, & 144″ FUME HOODS

HS – Horizontal Sliding Sash (optional)

Uses sliding horizontal sash panels instead of vertical rising panels
Check with your HLS representative to see how many horizontal panels are provided with each size fume hood
To specify a horizontal sash, add -HS at the end of the fume hood model number
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Operating Types

Constant Air Volume – Standard HLS configuration
Designed for constant rate of exhaust
Variable Air Volume (specify -VAV at the end of the hood part number ex. 5SA70B-VAV)
Designed to limit the bypass area, typically used in conjunction when VAV exhaust systems are installed on the building’s HVAC system
VAV is a type of fume hood exhaust system that typically maintains constant fume hood face velocity by adjusting blower motor speed or a balance damper in response to changes in the sash position

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