The mailboxes from Intersteel meet the NEN standard for the Dutch Postal Act. Guidelines are laid down for the dimensions of letter slots and letter boxes.
Preventing drafts can be easily prevented by using a draft barrier.
Intersteel Letter plate rectangular with flap brushed in stainless steel. This outward rotating letter plate has a rain edge and is intended for horizontal placement.
Letterbox - Mailbox Summus available in four modern RAL colors and is made of good quality plastic. The mailbox can be closed with a lid, below there is an insertion opening with a (lockable) partition.
Intersteel Letter plate oval with spring brushed in stainless steel. This inward rotating letter plate is intended for horizontal or vertical placement.