Graco 255663 – Platen with Flat Dual Wiper: 200L EPDM with PTFE-coated platen Graco platens are designed with a modular approach. You can easily interchange platencomponents if you need to switch pail sizes or materials.Choose flat or dual flat wipersfor 20, 30 or 60-liter pail sizes or o-ring wiper style for 200-liter drums.