Jetmaster Mild Steel Fixed Cowls - Various Square and Round Size Options Available

Jetmaster Mild Steel Fixed Cowls - Various Square and Round Size Options Available

Complete fixed cowls for reliable draft and protection.

Jetmaster Mild Steel Fixed Cowls are designed to be installed at the top of your flue pipe or chimney. These fixed (non-rotating) cowls improve the draw of smoke and combustion gases while protecting your fireplace or braai from downdrafts, rain, birds, and debris.

Choose between square cowls (for square flue pipes) or round cowls (for round flue pipes). Each cowl is precision-manufactured for a perfect fit with Jetmaster systems.

Key Features & Benefits:

• Strong and durable mild steel construction
• Available in square and round configurations to match your flue
• Improves draft and reduces smoke spillage
• Prevents downdrafts, rain, birds, and nesting
• Two variants per size: M/S (Male Spigot – fits over the flue) and M/S I/S (Male Spigot Internal – fits inside the flue)
• Ideal for new installations or as replacements

Two Cowl Options Available:

• Square Fixed Cowls – Designed for square flue pipes
• Round Fixed Cowls – Designed for round flue pipes

Available Sizes:

Square Fixed Cowls:

• 200mm x 200mm M/S
• 200mm x 200mm M/S I/S
• 200mm x 300mm M/S
• 200mm x 300mm M/S I/S
• 200mm x 400mm M/S
• 200mm x 400mm M/S I/S
• 300mm x 300mm M/S
• 300mm x 300mm M/S I/S
• 350mm x 500mm M/S
• 350mm x 500mm M/S I/S

Round Fixed Cowls:

• 150mm Diameter M/S
• 200mm Diameter M/S
• 225mm Diameter M/S
• 250mm Diameter M/S
• 275mm Diameter M/S
• 300mm Diameter M/S
• 325mm Diameter M/S
• 350mm Diameter M/S
• 375mm Diameter M/S
• 475mm Diameter M/S

Material: Premium Mild Steel

Important Note: These are complete fixed cowls (not just bases). They are supplied ready to install on top of your flue pipe. Please select the correct cowl type (square or round) and variant (M/S or M/S I/S) to match your existing flue dimensions.

Why Choose Jetmaster Fixed Cowls?

Manufactured to the same high standards as the full Jetmaster range, these fixed cowls provide reliable performance, improved safety, and long-term protection for your fireplace or braai installation.

Suitable for both new builds and retrofits.

When ordering, please select your cowl type (Square or Round), size, and variant (M/S or M/S I/S).

What's in the Box: 

1 x Jetmaster Mild Steel Fixed Cowl