20" Jet Fan (9 7/8" x 24 3/4" diameter)

This heavy duty aluminum fan by Allegro can be used as a blower or exhaust by simply reverse mounting. Compressed air is pushed through a nozzle at the end of each blade creating the fan to propel at speeds up to 11,000 CFM (20″ model) or 16,9000...

12″ Manhole Ventilation Passthru (MVP)

Allegro's 2″ Manhole Ventilation Passthru (MVP) (9510-60) is the first manhole system that combines the low profile manhole air vent, 90° elbow and built in mounting all in one unit. This unit comes with a collapsible duct for easy entry,...

8″ Manhole Ventilation Passthru (MVP)

The Allegro 8″ Manhole Ventilation Passthru (9510-50) offers the first manhole system that combines the low profile manhole air vent, 90° elbow and built in mounting all in one unit. This unit comes with a collapsible duct, for easy entry,...

Ducting, Standard- 6' of 8" Ducting

Here you have available 6' ft in length  and 8" in diameter ducting manufactured by Allegro. Allegro can handle all your ducting needs with this extensive offering in 5 different diameters: 8″, 12″, 16″, 20″ and 26″...

500' Ducting, Lay Flat (fits 8" and 12" blowers)

The Allegro Ducting, Lay Flat (9500-500) is lightweight air ventilation tubing (similar to a plastic bag) manufactured from durable clear polyethylene. This product has been engineered for maximum elasticity, flexibility, toughness, and resistance to...

12" Plastic Ducting Storage Canister

Allegro's 12" Plastic Ducting Storage Canister holds 25′ of 12″ ducting and is constructed from Linear Low Density Polyethylene (LLDPE) making it lightweight. The molded handle for easy transport and secured lid with strap and side release...

8" Plastic Ducting Storage Canister

Constructed from Linear Low Density Polyethylene (LLDPE), this 8" Plastic Ducting Storage Canister (9500-55) from Allegro is lightweight and holds 25′ of 8″ ducting. The molded handle makes it easy for transport. The canister design includes...

Centrifugal Two-Speed Blower

The Allegro Centrifugal Two-Speed Blower (9507) offers greater flexibility by allowing workers to use high speed in some applications such as purging an area, and the lower speed in other sites such as very dusty environments. The 8″ ports allow...

Centrifugal 8" Heavy Duty Explosion-Proof Blower System with MVP

Allegro's (9520-03M) Centrifugal 8" Heavy Duty Explosion-Proof Blower System with MVP includes all the most requested equipment you need for your confined space site. The systems include your choice of our most popular Centrifugal Blowers, 6′...

Centrifugal Standard Blower

The Centrifugal Standard Blower (9504) by Allegro is excellent at ventilating most confined spaces. Designed with a tough, lightweight polyethylene housing, metal safeguards and a steel fan for durability. Two 8″ ports offer positive ventilation or...

Centrifugal High Output Blower

This Allegro Centrifugal High Output Blower has been designed for larger confined space environments that require faster purge times. This blower is equipped with a tough, lightweight polyethylene housing providing durability while the metal...

Centrifugal Heavy Duty Explosion-Proof (EX) Blower

This Centrifugal Heavy Duty Explosion-Proof (EX) Blower created by Allegro features an electric, explosion-proof, single phase motor that is UL Listed and CSA Certified. The motor also includes a NEMA rated 115V plug for use with...