Rytons A1® Fire-rated Return Grille 250mm x 148mm with 209mm x 80mm Spigot Return Grille: 250mm W x 148mm H x 8mm D (with corner screw holes). Spigot: 209mm W x 80mm H x 25mm D to suit 220mm x 90mm ducting. Custom RAL colour in matt, semi-gloss or gloss finish achieving Class A2-s1, d0. 20,280mm² free area per unit (over 90% of the free area of its associated ducting). Properties: Class A1 fire-rated 0.9mm galvanised steel. Class A2-s1, d0 fire-rated RAL colour powder coating. Patent Approved. Product Code: A1RDLV220X90 Download Drawing.
Quantity required per RAL colour in matt, semi-gloss or gloss finish achieving Class A2-s1, d0:
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