Allegro 9533-25 Economy Confined Space Blower System Head Protection Audible and visual alarms for

Audible and visual alarms for low flow and low battery conditions

especially handy for reading

It monitors the 4 confined space gases

It even comes with two alarm levels for increasing gas or vapor levels for LEL level detection of flammable vapors

We have curated for you OEM gas calibration kits for the instruments we sell

Allegro 9533-25 Economy Confined Space Blower System Head Protection Audible and visual alarms forThis compact, powerful plastic blower provides unmatched durability and versatility. This blower features the "original" coupler duct system for ease of use. Includes blower, 8" x 25 Feet ducting and quick coupler. Coupler and duct can be attached on either side to act as blower or exhauster. Coupler also acts as duct storage canister. Just toss in the truck and no more worries about ruined duct. The rugged plastic blower housing won't dent or crack