Monday, April 19, 2021

Greenheck: Bubble-Tight Damper

Greenheck’s HBT-221 rectangular bubble-tight damper is now available in larger sizes up to 48x52 inches in a single section.

from Odor Management Plan in Controlling Smoke Odor https://ift.tt/3x7go6M
via https://ift.tt/2E0zRLH
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