【Easy Installation】: This stainless steel wall vent with grille is designed to be easy to install and use. 【Material】: The grille cover vent are made of quality stainless steel, our vents are not only resistant to deformation, but also have a long service life and are sturdy.
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【Easy Installation】: This stainless steel wall vent with grille is designed to be easy to install and use. 【Material】: The grille cover vent are made of quality stainless steel, our vents are not only resistant to deformation, but also have a long service life and are sturdy.
eBay
Equipped with a weatherproof seal, these vent covers are designed to resist leaks and drafts, keeping your space well-insulated. The interior of the vents is made of ABS material, high quality and longevity.
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The size is 3mm down from the actual size eg: (315mm = 312mm) so it fit's straight into spiral tube.
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eBay