Collection: Plenum Boxes & Grilles

Shop our complete range of Plenum Boxes, Grilles, Roof Vents & Air Bricks for Mechanical Ventilation Systems.

Why Choose BEAM Plenum Boxes & Grilles?

BEAM have been specialists in providing clean indoor air to homes and businesses for over 48 years.

We supply high quality accessories to support the installation of our Mechanical Ventilation Systems, including:

Plenum Boxes - attach to ventilation ducting to help regulate and direct airflow
Grilles & Louvres - install externally to allow airflow in and out of the system and stopping debris from entering
Slate Ventilators - fit to pitched roofs over 20° to help aid airflow
Flat Roof Terminal - facilitates airflow in and out of the ventilation system through a flat roof
Airbricks - provide low resistance to airflow

Circular External Grille

Circular External Grille

Regular price From €5,88 (Ex. VAT)

Sale price From €5,88 (Ex. VAT) Regular price
Unit price per
150mm Slate Ventilator Grey

150mm Slate Ventilator Grey

Regular price From €66,00 (Ex. VAT)

Sale price From €66,00 (Ex. VAT) Regular price
Unit price per
Rectangular External Weather Louvre with Mesh

Rectangular External Weather Louvre with Mesh

Regular price From €39,96 (Ex. VAT)

Sale price From €39,96 (Ex. VAT) Regular price ~~€0,00~~
Unit price per
Plastic Plenum Boxes

Plastic Plenum Boxes

Regular price From €18,48 (Ex. VAT)

Sale price From €18,48 (Ex. VAT) Regular price ~~€0,00~~
Unit price per
Galvanised Metal Plenum Boxes

Galvanised Metal Plenum Boxes

Regular price From €32,76 (Ex. VAT)

Sale price From €32,76 (Ex. VAT) Regular price ~~€0,00~~
Unit price per
5 in 1 Roof Vent Kit

5 in 1 Roof Vent Kit

Regular price €78,00 (Ex. VAT)

Sale price €78,00 (Ex. VAT) Regular price
Unit price per
Flat Roof Insulated Terminal - 150mm

Flat Roof Insulated Terminal - 150mm

Regular price €174,00 (Ex. VAT)

Sale price €174,00 (Ex. VAT) Regular price ~~€0,00~~
Unit price per
Slimline Airbrick 204 x 60mm

Slimline Airbrick 204 x 60mm

Regular price €7,20 (Ex. VAT)

Sale price €7,20 (Ex. VAT) Regular price
Unit price per

Need Help Selecting the Right Product?

Choosing the right products for your ventilation system installation is crucial to ensure adequate performance. Our team of experts can offer free support and guidance. Call us on +44 28 7963 2424.

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Round Component Pipe

Round Component Pipe

Regular price From €10,68 (Ex. VAT)

Sale price From €10,68 (Ex. VAT) Regular price
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Round Component Elbow Bend - 90 deg

Round Component Elbow Bend - 90 deg

Regular price From €2,76 (Ex. VAT)

Sale price From €2,76 (Ex. VAT) Regular price
Unit price per
Round Component Connector 150

Round Component Connector 150

Regular price From €2,10 (Ex. VAT)

Sale price From €2,10 (Ex. VAT) Regular price
Unit price per
Round Component Pipe Tee Piece

Round Component Pipe Tee Piece

Regular price From €3,66 (Ex. VAT)

Sale price From €3,66 (Ex. VAT) Regular price
Unit price per
Round Component Elbow Bend - 45 deg

Round Component Elbow Bend - 45 deg

Regular price From €2,76 (Ex. VAT)

Sale price From €2,76 (Ex. VAT) Regular price
Unit price per

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Free delivery on orders over €250 (excl VAT & Delivery)

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Collection: Plenum Boxes & Grilles

Why Choose BEAM Plenum Boxes & Grilles?

Circular External Grille

Circular External Grille

150mm Slate Ventilator Grey

150mm Slate Ventilator Grey

Rectangular External Weather Louvre with Mesh

Rectangular External Weather Louvre with Mesh

Plastic Plenum Boxes

Plastic Plenum Boxes

Galvanised Metal Plenum Boxes

Galvanised Metal Plenum Boxes

5 in 1 Roof Vent Kit

5 in 1 Roof Vent Kit

Flat Roof Insulated Terminal - 150mm

Flat Roof Insulated Terminal - 150mm

Slimline Airbrick 204 x 60mm

Slimline Airbrick 204 x 60mm

Need Help Selecting the Right Product?

Related Accessories

Round Component Pipe

Round Component Pipe

Round Component Elbow Bend - 90 deg

Round Component Elbow Bend - 90 deg

Round Component Connector 150

Round Component Connector 150

Round Component Pipe Tee Piece

Round Component Pipe Tee Piece

Round Component Elbow Bend - 45 deg

Round Component Elbow Bend - 45 deg

Free delivery on orders over €250 (excl VAT & Delivery)

Guaranteed Same Day Despatch

Quality Assured Products

Collection: Plenum Boxes & Grilles

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