Rytons A1® Fire-rated Return Grille 175mm x 175mm with 122mm Dia. Spigot Return Grille: 175mm W x 175mm H x 8mm D (with corner screw holes). Spigot: 122mm Dia. x 25mm D. Custom RAL colour in matt, semi-gloss or gloss finish achieving Class A2-s1, d0. 16,640mm² 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 Pending. Product Code: A1RD5LV. Download Drawing.
Quantity required per RAL colour in matt, semi-gloss or gloss finish achieving Class A2-s1, d0:
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