Care for Safe Communication?

In cashier window, transaction window, ticket counter where continuous communication is necessary, CRL speak thru device is commonly used. The main attraction of CR Laurence's hardware and device is they are affordable but quality is uncompromising.
CRL's transaction window no-draft speak-thru device is available in two finishes and 4" and 6" models. Metal and lucite cover- all two are available with perforated aluminium plate to provide insect free environment. This small device is easy to install and provide locking facility.