FP FPi-4500 Folder Inserter:Delegate your entire document mailing operation - business letters, single or multiple item mailings, invoices, account or wage and salary statements - to an efficient, high-performance machine. FPi-4500 series solves your company's mail handling needs professionally, reliably, and quickly. With straightforward touch screen control panel, just select your settings and go. FPi-4500series can handle up to 3,600 letters/hour and is optimal system for mailing up to 40,000 letters per month. It can easily add supplements like reply cards, flyers, or return envelopes. Crisp, clean folds put finishing touches on documents, flyers, mailers, and brochures for insertion, mailing, or stand-alone pieces. Compact in size and quiet in operation, FPi-4500 series fits into every office environment.