COLUMN ENVELOPE 3100 WALL BRACKETS 30580002 SET OF 2 BRACKETS FOR WALL MOUNTING Envelope 3100 single-sided 30580021 SET OF 2 BRACKETS FOR WALL MOUNTING Envelope 3100 dual-sided 30621501 SET OF 2 BRACKETS FOR WALL MOUNTING AND ANTI-FROST AND ANTI-CONDENSATION CAPS FOR BOTTOM CELL Only for SOLARIS 2.5 m and 3 m single-sided Adaptors 30621502 SET OF 2 BRACKETS FOR WALL MOUNTING AND ANTI-FROST AND ANTI-CONDENSATION CAPS FOR BOTTOM CELL Only for SOLARIS 2.5 m and 3 m single-sided Adaptors