Flush-mounted box for 1 element for hollow partition Simon 31

Universal flush-mounted box for 1 element, for hollow partitions, made of flame-retardant thermoplastic material. Soft material that facilitates installation, lateral cut for perfect fitting between boxes, stud to mark the drill hole Ø68mm. Compliant with UNE 20451 standard. Flame-retardant material up to 850ºC. Easy and quick installation achieving perfectly levelled gaps and a clean break of the partition.