🌍 Worldwide shipping · 30-day returns · Rated Excellent on Trustpilot ★★★★½
Bigamart
Price
$26.99
Home/DIY & Tools/Building Supplies/Heating & Cooling/Registers, Grilles & Vents
National Ventilation F4904BLK External Ventilation Grille 100 mm / 4 Inch (Black) — image 1
Registers, Grilles & VentsNational Ventilation✓ In stock

National Ventilation F4904BLK External Ventilation Grille 100 mm / 4 Inch (Black)

★★★★★
$26.99
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About this item
  • Angled louvred grille for use as final external outlet on ducted installations
  • For use with 100mm / 4 inch diameter round ducting
  • Concealed fixing points (fixing screws not included)
  • Anti insect mesh included, which can be removed if not needed
  • Dimensions: 155mm wide x 155mm high x 23mm deep. 99mm diameter spigot, extends for 20mm
Product description

Ventilation Grille

Product details
Brand
National Ventilation
Manufacturer
National Ventilation

Customer reviews

What customers say about Bigamart

10 Trustpilot reviews total, with 2 shown at a time.

Trustpilot
★★★★★
Excellent
4.5 average rating
See all reviews →
S
Sigalit
🇮🇱 · January 2026
★★★★★

I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

V
Verified buyer
🇦🇺 · November 2025
★★★★★

The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

Showing 1–2 of 10 reviews

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