Ventilation blowers, ducting and confined-space safety equipment for demanding workplaces.

Allegro Safety Equipment & Confined Space Ventilation

Browse Allegro safety products from Keyline Safety for confined-space ventilation, air movement and workplace access applications. Shop ventilation blowers, ducting, fan systems, manhole products and related equipment for industrial, utility, maintenance and jobsite teams.

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Showing 1–24 of 59 products

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Allegro·SKU: 9910
Allegro Complete Tyvek Respirator Hood Assembly

Allegro Complete Tyvek Respirator Hood Assembly is included in Keyline Safety’s Respiratory Protection and Respirators selection and our Supplied Air Respirators and Systems range.Especially comfortable for bearded workers, the hood style respirator is ligh...

$261.54
Allegro·SKU: 9902-CV
Allegro High Pressure Full Mask w/ Adjustable Flow Control Valve

Allegro High Pressure Full Mask w/ Adjustable Flow Control Valve is included in Keyline Safety’s Supplied Air Respirators and Systems selection and our Respiratory Protection and Respirators range.Our Full Mask continuous flow supplied air respirator is mad...

ANSI Z87.1
$1,383.08
Allegro·SKU: 9901-25
Allegro Lens Covers (25/pkg)

Allegro Lens Covers (25/pkg) is included in Keyline Safety’s Supplied Air Respirators and Systems selection and our Respiratory Protection and Respirators range.Our Full Mask continuous flow supplied air respirator is made of silicone rubber for durability ...

ANSI Z87.1
$169.23
Allegro·SKU: 9901
Allegro Full Mask Assembly

Allegro Full Mask Assembly is included in Keyline Safety’s Supplied Air Respirators and Systems selection and our Respiratory Protection and Respirators range.Our Full Mask continuous flow supplied air respirator is made of silicone rubber for durability an...

ANSI Z87.1
$1,176.92
Allegro·SKU: 9900-45
Allegro Breathing Air Pump CO Monitor

Allegro Breathing Air Pump CO Monitor is included in Keyline Safety’s Supplied Air Respirators and Systems selection and our Respiratory Protection and Respirators range.The Breathing Air Pump CO Monitor alerts workers using supplied air respirators when th...

$4,692.31
Allegro·SKU: 9872
Allegro Carry-Air Filtration Panel w/CO Monitor (2-Worker)

Allegro Carry-Air Filtration Panel w/CO Monitor (2-Worker) is included in Keyline Safety’s Supplied Air Respirators and Systems selection and our Respiratory Protection and Respirators range.Our Carry-Air Filtration Panels convert shop air used for pneumati...

$7,186.15
Allegro·SKU: 9832
Allegro A-1500TE Breathing Air Pump (1 1/2 hp, 115/230V AC)

Allegro A-1500TE Breathing Air Pump (1 1/2 hp, 115/230V AC) is included in Keyline Safety’s Supplied Air Respirators and Systems selection and our Respiratory Protection and Respirators range.The easiest way to meet your needs for portable air sources for u...

$10,272.31
Allegro·SKU: 9821
Allegro A-750 Breathing Air Pump (3/4 hp, 115/230V AC)

Allegro A-750 Breathing Air Pump (3/4 hp, 115/230V AC) is included in Keyline Safety’s Supplied Air Respirators and Systems selection and our Respiratory Protection and Respirators range.Intended for a very portable air source for one or two respirator user...

$4,626.15
Allegro·SKU: 9806
Allegro A-300 Breathing Air Pump (1/4 hp, 115/230V AC)

Allegro A-300 Breathing Air Pump (1/4 hp, 115/230V AC) is included in Keyline Safety’s Supplied Air Respirators and Systems selection and our Respiratory Protection and Respirators range.Ideal for a super portable, lightweight air source for a single respir...

$3,646.15
Allegro·SKU: 9600-25EX
Allegro 25’ of 16" Statically Conductive Ducting

This Allegro 25’ of 16" Statically Conductive Ducting is included in the Allegro Safety Products collection from Keyline Safety.Standard and Statically Conductive ducting specifically designed for use with our Venturi Blowers. Features Vinyl and polyester a...

$4,004.62
Allegro·SKU: 9550-25EX
Allegro 25’ of 12" Statically Conductive Ducting

Allegro 25’ of 12" Statically Conductive Ducting is part of Keyline Safety’s Allegro Safety Products collection.Allegro also offers 4 different ducting diameters, 8”, 12”, 16” and 20” in 15’ and 25’ lengths for static conductive environments. This lightweig...

$2,921.54
Allegro·SKU: 9550-25
Allegro 25' of 12" Ducting

This Allegro 25' of 12" Ducting is included in the Allegro Safety Products collection from Keyline Safety.Allegro can handle all your ducting needs with this extensive offering in 5 different diameters: 8", 12", 16", 20" and 26". The 8" and 12" ducting is a...

$1,289.23
Allegro·SKU: 9550-15
Allegro 15' of 12" Ducting

This Allegro 15' of 12" Ducting is included in the Allegro Safety Products collection from Keyline Safety.Allegro can handle all your ducting needs with this extensive offering in 5 different diameters: 8", 12", 16", 20" and 26". The 8" and 12" ducting is a...

$943.08
Allegro·SKU: 9543
Allegro 12″ Axial AC Plastic Blower

This Allegro 12″ Axial AC Plastic Blower is included in the Allegro Safety Products collection from Keyline Safety.High output from a compact Axial Blower, this super quiet unit is designed for easy use and storage without sacrificing airflow. It is made of...

$1,687.69
Allegro·SKU: 9539-16
Allegro 16″ Axial AC Industrial Plastic Blower

Allegro 16″ Axial AC Industrial Plastic Blower is part of Keyline Safety’s Allegro Safety Products collection.Lightweight, portable and durable, this high output blower is ideally suited for large confined spaces such as paper mills, tank purging or utility...

$2,487.69
Allegro·SKU: 9539-12EX
Allegro 12″ Axial Explosion-Proof (EX) Industrial Plastic Blower

Keyline Safety lists Allegro 12″ Axial Explosion-Proof (EX) Industrial Plastic Blower in our Allegro Safety Products selection.This electric, lightweight, and easily portable explosion-proof blower is ideally suited for large confined spaces in statically c...

$6,056.92
Allegro·SKU: 9539-12
Allegro 12″ Axial AC Industrial Plastic Blower

This Allegro 12″ Axial AC Industrial Plastic Blower is included in the Allegro Safety Products collection from Keyline Safety.Lightweight, portable, and durable, this single phase motor blower is ideally suited for large confined spaces such as paper mills,...

$1,804.62

Showing 1–24 of 59 products

Allegro Ventilation

Confined Space Ventilation & Air Movement

Allegro offers ventilation equipment for moving air through confined spaces and other work areas where planned air movement is required. Its blower lineup includes axial, centrifugal, pneumatic, and Venturi options, along with ducting and related accessories.

Select ventilation equipment around the space, airflow requirements, duct layout, power source, environmental conditions, and the procedures established for the work.

System Selection

Choose the Blower, Ducting & Accessories as a System

A ventilation setup is more than the blower alone. Duct diameter, duct length, bends, connection points, available power, portability, and the amount of air that needs to be moved can all affect system selection.

Allegro provides individual blowers as well as complete ventilation-system configurations that can include ducting and Manhole Ventilation Passthru components. Confirm compatibility and performance from the specifications for the exact model being considered.

Confined Space Equipment

Support Confined Space Work Beyond Ventilation

Confined-space work often needs more than ventilation. Alongside Allegro blowers, ducting, manhole products, shelters, pumps, and related equipment, many programs also include gas monitoring and detection equipment and confined-space rescue and descent equipment selected for the site's hazards and procedures.

Build the equipment list around the entry plan, ventilation requirements, atmospheric testing, communications, rescue arrangements, and the manufacturer's instructions for each product.

Business & Project Orders

Need Allegro Equipment for a Project or Facility?

Keyline Safety can help businesses organize Allegro equipment and accessories for facilities, projects, maintenance programs, utility work, and recurring purchasing needs.

For larger orders, provide the application, equipment type, approximate quantities, power-source requirements, ducting needs, and any known Allegro model or part numbers so the order can be reviewed more efficiently.

Frequently Asked Questions

What Allegro products does Keyline Safety carry?

Keyline Safety’s Allegro range focuses on ventilation blowers, ducting, fans, confined-space and manhole products, plus related workplace accessories. Availability varies by product and application.

How do I choose an Allegro blower and ducting for a confined space?

Blower and ducting selection depends on the space and air volume, required airflow, duct diameter and length, bends, power source, and the work environment. Use the exact Allegro model specifications and workplace procedures.

For confined-space programs, ventilation is only one part of the plan; also review appropriate gas monitoring and detection equipment and rescue equipment where required.

What types of ventilation blowers does Allegro offer?

Allegro’s blower range includes axial, centrifugal, pneumatic, and Venturi options, along with ducting and accessories. The best choice depends on the application, required airflow, power source, duct configuration, and site conditions.

Can Allegro blowers be used with ducting and Manhole Ventilation Passthru equipment?

Many Allegro ventilation systems are designed around compatible blowers, ducting, and Manhole Ventilation Passthru components, and some complete systems bundle these items together. Confirm the exact blower, duct diameter, and accessory compatibility before ordering.

Can Keyline Safety help with larger Allegro equipment orders?

Yes. Keyline Safety can help businesses organize Allegro equipment and accessories for projects, facilities, maintenance programs, and recurring purchasing needs. Providing the application, quantities, and known part numbers can help streamline the review.

Keyline Safety supplies Allegro safety equipment for businesses and industrial teams that need dependable ventilation, air movement, and confined-space support.

Allegro manufactures ventilation blowers, ducting, confined-space products, fans, respiratory equipment, seasonal climate-control products, and related workplace safety solutions. Always select and use equipment according to the specific work environment, workplace procedures, and manufacturer instructions.

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